116971569 has 24 divisors (see below), whose sum is σ = 198499392. Its totient is φ = 65437920.

The previous prime is 116971553. The next prime is 116971627. The reversal of 116971569 is 965179611.

116971569 is a `hidden beast` number, since 1 + 16 + 9 + 71 + 569 = 666.

It is not a de Polignac number, because 116971569 - 2⁴ = 116971553 is a prime.

It is a super-2 number, since 2×116971569² = 27364695908643522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (116971469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44157 + ... + 46730.

It is an arithmetic number, because the mean of its divisors is an integer number (8270808).

Almost surely, 2^116971569 is an apocalyptic number.

It is an amenable number.

116971569 is a deficient number, since it is larger than the sum of its proper divisors (81527823).

116971569 is a wasteful number, since it uses less digits than its factorization.

116971569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90917 (or 90914 counting only the distinct ones).

The product of its digits is 102060, while the sum is 45.

The square root of 116971569 is about 10815.3395231033. The cubic root of 116971569 is about 489.0577045582.

The spelling of 116971569 in words is "one hundred sixteen million, nine hundred seventy-one thousand, five hundred sixty-nine".