216365241234 has 16 divisors (see below), whose sum is σ = 435385272672. Its totient is φ = 71679282048.

The previous prime is 216365241229. The next prime is 216365241247. The reversal of 216365241234 is 432142563612.

It is a super-2 number, since 2×216365241234² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 216365241192 and 216365241201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110615199 + ... + 110617154.

It is an arithmetic number, because the mean of its divisors is an integer number (27211579542).

Almost surely, 2^216365241234 is an apocalyptic number.

216365241234 is an abundant number, since it is smaller than the sum of its proper divisors (219020031438).

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

216365241234 is a wasteful number, since it uses less digits than its factorization.

216365241234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221232521.

The product of its digits is 207360, while the sum is 39.

The spelling of 216365241234 in words is "two hundred sixteen billion, three hundred sixty-five million, two hundred forty-one thousand, two hundred thirty-four".