16257654992 has 20 divisors (see below), whose sum is σ = 31506066816. Its totient is φ = 8127057120.

The previous prime is 16257654983. The next prime is 16257655031. The reversal of 16257654992 is 29945675261.

It is a super-2 number, since 2×16257654992² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33248 + ... + 183359.

Almost surely, 2^16257654992 is an apocalyptic number.

It is an amenable number.

16257654992 is a deficient number, since it is larger than the sum of its proper divisors (15248411824).

16257654992 is a wasteful number, since it uses less digits than its factorization.

16257654992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221306 (or 221300 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 56.

The spelling of 16257654992 in words is "sixteen billion, two hundred fifty-seven million, six hundred fifty-four thousand, nine hundred ninety-two".