16402835690 has 16 divisors (see below), whose sum is σ = 29673475200. Its totient is φ = 6528162960.

The previous prime is 16402835663. The next prime is 16402835789. The reversal of 16402835690 is 9653820461.

It is a super-2 number, since 2×16402835690² (a number of 21 digits) contains 22 as substring.

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, 4119326 + ... + 4123305.

It is an arithmetic number, because the mean of its divisors is an integer number (1854592200).

Almost surely, 2^16402835690 is an apocalyptic number.

16402835690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16402835690 is a deficient number, since it is larger than the sum of its proper divisors (13270639510).

16402835690 is a wasteful number, since it uses less digits than its factorization.

16402835690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8242837.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 16402835690 in words is "sixteen billion, four hundred two million, eight hundred thirty-five thousand, six hundred ninety".