16390644796 has 24 divisors (see below), whose sum is σ = 28864720080. Its totient is φ = 8143736832.

The previous prime is 16390644793. The next prime is 16390644799. The reversal of 16390644796 is 69744609361.

It is an interprime number because it is at equal distance from previous prime (16390644793) and next prime (16390644799).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16390644793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411706 + ... + 449758.

It is an arithmetic number, because the mean of its divisors is an integer number (1202696670).

Almost surely, 2^16390644796 is an apocalyptic number.

It is an amenable number.

16390644796 is a deficient number, since it is larger than the sum of its proper divisors (12474075284).

16390644796 is a wasteful number, since it uses less digits than its factorization.

16390644796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38733 (or 38731 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 55.

The spelling of 16390644796 in words is "sixteen billion, three hundred ninety million, six hundred forty-four thousand, seven hundred ninety-six".