218924803612 has 12 divisors (see below), whose sum is σ = 383129579560. Its totient is φ = 109459209456.

The previous prime is 218924803607. The next prime is 218924803639. The reversal of 218924803612 is 216308429812.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 640323 + ... + 920794.

Almost surely, 2^218924803612 is an apocalyptic number.

It is an amenable number.

218924803612 is a deficient number, since it is larger than the sum of its proper divisors (164204775948).

218924803612 is a wasteful number, since it uses less digits than its factorization.

218924803612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596180 (or 1596178 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 218924803612 in words is "two hundred eighteen billion, nine hundred twenty-four million, eight hundred three thousand, six hundred twelve".