216124400936 has 32 divisors (see below), whose sum is σ = 411621566400. Its totient is φ = 106364684160.

The previous prime is 216124400927. The next prime is 216124400953. The reversal of 216124400936 is 639004421612.

It is a self number, because there is not a number n which added to its sum of digits gives 216124400936.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90116 + ... + 663603.

It is an arithmetic number, because the mean of its divisors is an integer number (12863173950).

Almost surely, 2^216124400936 is an apocalyptic number.

It is an amenable number.

216124400936 is a deficient number, since it is larger than the sum of its proper divisors (195497165464).

216124400936 is a wasteful number, since it uses less digits than its factorization.

216124400936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754289 (or 754285 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 216124400936 in words is "two hundred sixteen billion, one hundred twenty-four million, four hundred thousand, nine hundred thirty-six".