16306157657 has 8 divisors (see below), whose sum is σ = 16332912960. Its totient is φ = 16279426800.

The previous prime is 16306157653. The next prime is 16306157669. The reversal of 16306157657 is 75675160361.

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

It is a cyclic number.

It is not a de Polignac number, because 16306157657 - 2² = 16306157653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16306157653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1690394 + ... + 1700012.

It is an arithmetic number, because the mean of its divisors is an integer number (2041614120).

Almost surely, 2^16306157657 is an apocalyptic number.

It is an amenable number.

16306157657 is a deficient number, since it is larger than the sum of its proper divisors (26755303).

16306157657 is a wasteful number, since it uses less digits than its factorization.

16306157657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12223.

The product of its (nonzero) digits is 793800, while the sum is 47.

The spelling of 16306157657 in words is "sixteen billion, three hundred six million, one hundred fifty-seven thousand, six hundred fifty-seven".