16402594418 has 16 divisors (see below), whose sum is σ = 28129239360. Its totient is φ = 7027056816.

The previous prime is 16402594409. The next prime is 16402594421. The reversal of 16402594418 is 81449520461.

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, 179828 + ... + 255231.

It is an arithmetic number, because the mean of its divisors is an integer number (1758077460).

Almost surely, 2^16402594418 is an apocalyptic number.

16402594418 is a deficient number, since it is larger than the sum of its proper divisors (11726644942).

16402594418 is a wasteful number, since it uses less digits than its factorization.

16402594418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437761.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 16402594418 in words is "sixteen billion, four hundred two million, five hundred ninety-four thousand, four hundred eighteen".