16535957968 has 40 divisors (see below), whose sum is σ = 32848272576. Its totient is φ = 8059334400.

The previous prime is 16535957957. The next prime is 16535957983. The reversal of 16535957968 is 86975953561.

It is a congruent number.

It is an unprimeable number.

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, 791983 + ... + 812593.

Almost surely, 2^16535957968 is an apocalyptic number.

It is an amenable number.

16535957968 is a deficient number, since it is larger than the sum of its proper divisors (16312314608).

16535957968 is a wasteful number, since it uses less digits than its factorization.

16535957968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21883 (or 21877 counting only the distinct ones).

The product of its digits is 61236000, while the sum is 64.

The spelling of 16535957968 in words is "sixteen billion, five hundred thirty-five million, nine hundred fifty-seven thousand, nine hundred sixty-eight".