6615620151 has 8 divisors (see below), whose sum is σ = 10080945024. Its totient is φ = 3780354360.

The previous prime is 6615620117. The next prime is 6615620173. The reversal of 6615620151 is 1510265166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6615620151 - 2¹¹ = 6615618103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6615620191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157514745 + ... + 157514786.

It is an arithmetic number, because the mean of its divisors is an integer number (1260118128).

Almost surely, 2^6615620151 is an apocalyptic number.

6615620151 is a deficient number, since it is larger than the sum of its proper divisors (3465324873).

6615620151 is a wasteful number, since it uses less digits than its factorization.

6615620151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315029541.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 6615620151 is about 81336.4626167133. The cubic root of 6615620151 is about 1877.2560837926.

The spelling of 6615620151 in words is "six billion, six hundred fifteen million, six hundred twenty thousand, one hundred fifty-one".