68113436216 has 16 divisors (see below), whose sum is σ = 145957363440. Its totient is φ = 29191472640.

The previous prime is 68113436201. The next prime is 68113436221. The reversal of 68113436216 is 61263431186.

It is a super-2 number, since 2×68113436216² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608155625 + ... + 608155736.

It is an arithmetic number, because the mean of its divisors is an integer number (9122335215).

Almost surely, 2^68113436216 is an apocalyptic number.

It is an amenable number.

68113436216 is an abundant number, since it is smaller than the sum of its proper divisors (77843927224).

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

68113436216 is a wasteful number, since it uses less digits than its factorization.

68113436216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216311374 (or 1216311370 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The spelling of 68113436216 in words is "sixty-eight billion, one hundred thirteen million, four hundred thirty-six thousand, two hundred sixteen".