16216076864 has 56 divisors (see below), whose sum is σ = 35391474048. Its totient is φ = 7325084160.

The previous prime is 16216076861. The next prime is 16216076873. The reversal of 16216076864 is 46867061261.

It is a super-2 number, since 2×16216076864² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (16216076861) 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, 168242 + ... + 246449.

It is an arithmetic number, because the mean of its divisors is an integer number (631990608).

Almost surely, 2^16216076864 is an apocalyptic number.

It is an amenable number.

16216076864 is an abundant number, since it is smaller than the sum of its proper divisors (19175397184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16216076864 is a wasteful number, since it uses less digits than its factorization.

16216076864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414763 (or 414753 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 16216076864 in words is "sixteen billion, two hundred sixteen million, seventy-six thousand, eight hundred sixty-four".