116970156081 has 63 divisors (see below), whose sum is σ = 179497425499. Its totient is φ = 76188660912.

The previous prime is 116970156031. The next prime is 116970156091. The reversal of 116970156081 is 180651079611.

The square root of 116970156081 is 342009.

It is a perfect power (a square), and thus also a powerful number.

116970156081 is a `hidden beast` number, since 1 + 1 + 6 + 9 + 7 + 0 + 1 + 560 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 84323448225 + 32646707856 = 290385^2 + 180684^2 .

It is a de Polignac number, because none of the positive numbers 2^k-116970156081 is a prime.

It is a super-2 number, since 2×116970156081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (116970156031) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 489414760 + ... + 489414998.

Almost surely, 2^116970156081 is an apocalyptic number.

116970156081 is the 342009-th square number.

116970156081 is the 171005-th centered octagonal number.

It is an amenable number.

116970156081 is a deficient number, since it is larger than the sum of its proper divisors (62527269418).

116970156081 is an frugal number, since it uses more digits than its factorization.

116970156081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 45.

The spelling of 116970156081 in words is "one hundred sixteen billion, nine hundred seventy million, one hundred fifty-six thousand, eighty-one".