216207050994 has 24 divisors (see below), whose sum is σ = 511034848272. Its totient is φ = 65517288120.

The previous prime is 216207050993. The next prime is 216207051001. The reversal of 216207050994 is 499050702612.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (216207050993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 545977204 + ... + 545977599.

It is an arithmetic number, because the mean of its divisors is an integer number (21293118678).

Almost surely, 2^216207050994 is an apocalyptic number.

216207050994 is an abundant number, since it is smaller than the sum of its proper divisors (294827797278).

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

216207050994 is a wasteful number, since it uses less digits than its factorization.

216207050994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091954822 (or 1091954819 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 216207050994 in words is "two hundred sixteen billion, two hundred seven million, fifty thousand, nine hundred ninety-four".