116172117156 has 24 divisors (see below), whose sum is σ = 272202456960. Its totient is φ = 38562012832.

The previous prime is 116172117109. The next prime is 116172117197. The reversal of 116172117156 is 651711271611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20250291 + ... + 20256026.

It is an arithmetic number, because the mean of its divisors is an integer number (11341769040).

Almost surely, 2^116172117156 is an apocalyptic number.

It is an amenable number.

116172117156 is an abundant number, since it is smaller than the sum of its proper divisors (156030339804).

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

116172117156 is a wasteful number, since it uses less digits than its factorization.

116172117156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40506563 (or 40506561 counting only the distinct ones).

The product of its digits is 17640, while the sum is 39.

Adding to 116172117156 its reverse (651711271611), we get a palindrome (767883388767).

The spelling of 116172117156 in words is "one hundred sixteen billion, one hundred seventy-two million, one hundred seventeen thousand, one hundred fifty-six".