1515530016 has 432 divisors, whose sum is σ = 5897743488. Its totient is φ = 362880000.

The previous prime is 1515530011. The next prime is 1515530021. The reversal of 1515530016 is 6100355151.

It is an interprime number because it is at equal distance from previous prime (1515530011) and next prime (1515530021).

It is not an unprimeable number, because it can be changed into a prime (1515530011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2017641 + ... + 2018391.

It is an arithmetic number, because the mean of its divisors is an integer number (13652184).

Almost surely, 2^1515530016 is an apocalyptic number.

1515530016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1515530016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2948871744).

1515530016 is an abundant number, since it is smaller than the sum of its proper divisors (4382213472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1515530016 is a wasteful number, since it uses less digits than its factorization.

1515530016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 1515530016 is about 38929.8088359036. The cubic root of 1515530016 is about 1148.6512267803.

Adding to 1515530016 its reverse (6100355151), we get a palindrome (7615885167).

The spelling of 1515530016 in words is "one billion, five hundred fifteen million, five hundred thirty thousand, sixteen".