116634778568 has 64 divisors (see below), whose sum is σ = 275937822720. Its totient is φ = 44894606400.

The previous prime is 116634778553. The next prime is 116634778591. The reversal of 116634778568 is 865877436611.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 116634778568.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1089488 + ... + 1191743.

It is an arithmetic number, because the mean of its divisors is an integer number (4311528480).

Almost surely, 2^116634778568 is an apocalyptic number.

It is an amenable number.

116634778568 is an abundant number, since it is smaller than the sum of its proper divisors (159303044152).

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

116634778568 is a wasteful number, since it uses less digits than its factorization.

116634778568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281338 (or 2281334 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 62.

The spelling of 116634778568 in words is "one hundred sixteen billion, six hundred thirty-four million, seven hundred seventy-eight thousand, five hundred sixty-eight".