216613744074 has 80 divisors (see below), whose sum is σ = 597384953088. Its totient is φ = 57128895648.

The previous prime is 216613744073. The next prime is 216613744103. The reversal of 216613744074 is 470447316612.

216613744074 is a `hidden beast` number, since 2 + 1 + 6 + 6 + 137 + 440 + 74 = 666.

It is not an unprimeable number, because it can be changed into a prime (216613744073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7332082 + ... + 7361565.

Almost surely, 2^216613744074 is an apocalyptic number.

216613744074 is an abundant number, since it is smaller than the sum of its proper divisors (380771209014).

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

216613744074 is a wasteful number, since it uses less digits than its factorization.

216613744074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14693681 (or 14693672 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 216613744074 in words is "two hundred sixteen billion, six hundred thirteen million, seven hundred forty-four thousand, seventy-four".