16400803715 has 16 divisors (see below), whose sum is σ = 19801399296. Its totient is φ = 13040546400.

The previous prime is 16400803691. The next prime is 16400803733. The reversal of 16400803715 is 51730800461.

It is not a de Polignac number, because 16400803715 - 2¹² = 16400799619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691910 + ... + 715220.

It is an arithmetic number, because the mean of its divisors is an integer number (1237587456).

Almost surely, 2^16400803715 is an apocalyptic number.

16400803715 is a deficient number, since it is larger than the sum of its proper divisors (3400595581).

16400803715 is a wasteful number, since it uses less digits than its factorization.

16400803715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24170.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 16400803715 in words is "sixteen billion, four hundred million, eight hundred three thousand, seven hundred fifteen".