1998715152 has 80 divisors (see below), whose sum is σ = 6001044480. Its totient is φ = 561376896.

The previous prime is 1998715151. The next prime is 1998715153. The reversal of 1998715152 is 2515178991.

It is an interprime number because it is at equal distance from previous prime (1998715151) and next prime (1998715153).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1998715151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30588 + ... + 70235.

It is an arithmetic number, because the mean of its divisors is an integer number (75013056).

Almost surely, 2^1998715152 is an apocalyptic number.

1998715152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1998715152 is an abundant number, since it is smaller than the sum of its proper divisors (4002329328).

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

1998715152 is a wasteful number, since it uses less digits than its factorization.

1998715152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100900 (or 100894 counting only the distinct ones).

The product of its digits is 226800, while the sum is 48.

The square root of 1998715152 is about 44706.9922047995. The cubic root of 1998715152 is about 1259.6511909251.

The spelling of 1998715152 in words is "one billion, nine hundred ninety-eight million, seven hundred fifteen thousand, one hundred fifty-two".