116915016691 has 8 divisors (see below), whose sum is σ = 135046222704. Its totient is φ = 100034238720.

The previous prime is 116915016679. The next prime is 116915016703. The reversal of 116915016691 is 196610519611.

It is an interprime number because it is at equal distance from previous prime (116915016679) and next prime (116915016703).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116915016691 - 2²⁵ = 116881462259 is a prime.

It is a super-2 number, since 2×116915016691² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116915026691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312606810 + ... + 312607183.

It is an arithmetic number, because the mean of its divisors is an integer number (16880777838).

Almost surely, 2^116915016691 is an apocalyptic number.

116915016691 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

116915016691 is a deficient number, since it is larger than the sum of its proper divisors (18131206013).

116915016691 is a wasteful number, since it uses less digits than its factorization.

116915016691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625214021.

The product of its (nonzero) digits is 87480, while the sum is 46.

The spelling of 116915016691 in words is "one hundred sixteen billion, nine hundred fifteen million, sixteen thousand, six hundred ninety-one".