16479004400356 has 9 divisors (see below), whose sum is σ = 28838271908649. Its totient is φ = 8239498140744.

The previous prime is 16479004400329. The next prime is 16479004400389. The reversal of 16479004400356 is 65300440097461.

The square root of 16479004400356 is 4059434.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8842713268900 + 7636291131456 = 2973670^2 + 2763384^2 .

It is a super-2 number, since 2×16479004400356² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7104010 + ... + 9133726.

Almost surely, 2^{16479004400356} is an apocalyptic number.

16479004400356 is the 4059434-th square number.

It is an amenable number.

16479004400356 is a deficient number, since it is larger than the sum of its proper divisors (12359267508293).

16479004400356 is an frugal number, since it uses more digits than its factorization.

16479004400356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4059438 (or 2029719 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

Multiplying 16479004400356 by its sum of digits (49), we get a square (807471215617444 = 28416038²).

The spelling of 16479004400356 in words is "sixteen trillion, four hundred seventy-nine billion, four million, four hundred thousand, three hundred fifty-six".