218150999552 has 40 divisors (see below), whose sum is σ = 435920088912. Its totient is φ = 109064448000.

The previous prime is 218150999551. The next prime is 218150999581. The reversal of 218150999552 is 255999051812.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218150999551) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7804802 + ... + 7832702.

Almost surely, 2^218150999552 is an apocalyptic number.

It is an amenable number.

218150999552 is a deficient number, since it is larger than the sum of its proper divisors (217769089360).

218150999552 is an equidigital number, since it uses as much as digits as its factorization.

218150999552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43190 (or 43174 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 56.

The spelling of 218150999552 in words is "two hundred eighteen billion, one hundred fifty million, nine hundred ninety-nine thousand, five hundred fifty-two".