116665514331 has 4 divisors (see below), whose sum is σ = 155554019112. Its totient is φ = 77777009552.

The previous prime is 116665514323. The next prime is 116665514347. The reversal of 116665514331 is 133415566611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116665514331 - 2³ = 116665514323 is a prime.

It is a super-2 number, since 2×116665514331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (116665514431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19444252386 + ... + 19444252391.

It is an arithmetic number, because the mean of its divisors is an integer number (38888504778).

Almost surely, 2^116665514331 is an apocalyptic number.

116665514331 is a deficient number, since it is larger than the sum of its proper divisors (38888504781).

116665514331 is an equidigital number, since it uses as much as digits as its factorization.

116665514331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38888504780.

The product of its digits is 194400, while the sum is 42.

The spelling of 116665514331 in words is "one hundred sixteen billion, six hundred sixty-five million, five hundred fourteen thousand, three hundred thirty-one".