216445560120 has 48 divisors (see below), whose sum is σ = 703448071560. Its totient is φ = 57718815936.

The previous prime is 216445560113. The next prime is 216445560161. The reversal of 216445560120 is 21065544612.

216445560120 is a `hidden beast` number, since 2 + 1 + 6 + 4 + 45 + 5 + 601 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300618474 + ... + 300619193.

Almost surely, 2^216445560120 is an apocalyptic number.

216445560120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216445560120 is an abundant number, since it is smaller than the sum of its proper divisors (487002511440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216445560120 is a wasteful number, since it uses less digits than its factorization.

216445560120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601237684 (or 601237677 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 216445560120 in words is "two hundred sixteen billion, four hundred forty-five million, five hundred sixty thousand, one hundred twenty".