216690716200 has 48 divisors (see below), whose sum is σ = 575778192480. Its totient is φ = 74293959360.

The previous prime is 216690716197. The next prime is 216690716239. The reversal of 216690716200 is 2617096612.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 77388142 + ... + 77390941.

It is an arithmetic number, because the mean of its divisors is an integer number (11995379010).

Almost surely, 2^216690716200 is an apocalyptic number.

216690716200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216690716200 is an abundant number, since it is smaller than the sum of its proper divisors (359087476280).

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

216690716200 is a wasteful number, since it uses less digits than its factorization.

216690716200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154779106 (or 154779097 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 216690716200 in words is "two hundred sixteen billion, six hundred ninety million, seven hundred sixteen thousand, two hundred".