16400073604 has 24 divisors (see below), whose sum is σ = 30400036128. Its totient is φ = 7714719360.

The previous prime is 16400073593. The next prime is 16400073631. The reversal of 16400073604 is 40637000461.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137499 + ... + 227389.

It is an arithmetic number, because the mean of its divisors is an integer number (1266668172).

Almost surely, 2^16400073604 is an apocalyptic number.

It is an amenable number.

16400073604 is a deficient number, since it is larger than the sum of its proper divisors (13999962524).

16400073604 is a wasteful number, since it uses less digits than its factorization.

16400073604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92595 (or 92593 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 16400073604 in words is "sixteen billion, four hundred million, seventy-three thousand, six hundred four".