216322795736 has 16 divisors (see below), whose sum is σ = 405654607440. Its totient is φ = 108148233760.

The previous prime is 216322795687. The next prime is 216322795771. The reversal of 216322795736 is 637597223612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1575500 + ... + 1707291.

It is an arithmetic number, because the mean of its divisors is an integer number (25353412965).

Almost surely, 2^216322795736 is an apocalyptic number.

It is an amenable number.

216322795736 is a deficient number, since it is larger than the sum of its proper divisors (189331811704).

216322795736 is a wasteful number, since it uses less digits than its factorization.

216322795736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291034 (or 3291030 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 53.

The spelling of 216322795736 in words is "two hundred sixteen billion, three hundred twenty-two million, seven hundred ninety-five thousand, seven hundred thirty-six".