16890737097 has 32 divisors (see below), whose sum is σ = 26353438720. Its totient is φ = 9529565760.

The previous prime is 16890736997. The next prime is 16890737111. The reversal of 16890737097 is 79073709861.

It is not a de Polignac number, because 16890737097 - 2⁷ = 16890736969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16890737497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 344683 + ... + 390624.

It is an arithmetic number, because the mean of its divisors is an integer number (823544960).

Almost surely, 2^16890737097 is an apocalyptic number.

It is an amenable number.

16890737097 is a deficient number, since it is larger than the sum of its proper divisors (9462701623).

16890737097 is a wasteful number, since it uses less digits than its factorization.

16890737097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735373.

The product of its (nonzero) digits is 4000752, while the sum is 57.

The spelling of 16890737097 in words is "sixteen billion, eight hundred ninety million, seven hundred thirty-seven thousand, ninety-seven".