216010550550 has 24 divisors (see below), whose sum is σ = 535706165736. Its totient is φ = 57602813440.

The previous prime is 216010550549. The next prime is 216010550563. The reversal of 216010550550 is 55055010612.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 720035019 + ... + 720035318.

It is an arithmetic number, because the mean of its divisors is an integer number (22321090239).

Almost surely, 2^216010550550 is an apocalyptic number.

216010550550 is an abundant number, since it is smaller than the sum of its proper divisors (319695615186).

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

216010550550 is a wasteful number, since it uses less digits than its factorization.

216010550550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440070352 (or 1440070347 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 216010550550 in words is "two hundred sixteen billion, ten million, five hundred fifty thousand, five hundred fifty".