216441624994 has 16 divisors (see below), whose sum is σ = 371060150400. Its totient is φ = 92756355264.

The previous prime is 216441624977. The next prime is 216441625039. The reversal of 216441624994 is 499426144612.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42199 + ... + 659290.

It is an arithmetic number, because the mean of its divisors is an integer number (23191259400).

Almost surely, 2^216441624994 is an apocalyptic number.

216441624994 is a deficient number, since it is larger than the sum of its proper divisors (154618525406).

216441624994 is a wasteful number, since it uses less digits than its factorization.

216441624994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723537.

The product of its digits is 2985984, while the sum is 52.

The spelling of 216441624994 in words is "two hundred sixteen billion, four hundred forty-one million, six hundred twenty-four thousand, nine hundred ninety-four".