16004216756 has 24 divisors (see below), whose sum is σ = 30561210624. Its totient is φ = 7272809280.

The previous prime is 16004216737. The next prime is 16004216803. The reversal of 16004216756 is 65761240061.

It is a super-2 number, since 2×16004216756² (a number of 21 digits) contains 22 as substring.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 138941 + ... + 226523.

It is an arithmetic number, because the mean of its divisors is an integer number (1273383776).

Almost surely, 2^16004216756 is an apocalyptic number.

It is an amenable number.

16004216756 is a deficient number, since it is larger than the sum of its proper divisors (14556993868).

16004216756 is a wasteful number, since it uses less digits than its factorization.

16004216756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91751 (or 91749 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 16004216756 in words is "sixteen billion, four million, two hundred sixteen thousand, seven hundred fifty-six".