116516615 has 4 divisors (see below), whose sum is σ = 139819944. Its totient is φ = 93213288.

The previous prime is 116516599. The next prime is 116516633. The reversal of 116516615 is 516615611.

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 116516615 - 2⁴ = 116516599 is a prime.

It is a super-2 number, since 2×116516615² = 27152243142116450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11651657 + ... + 11651666.

It is an arithmetic number, because the mean of its divisors is an integer number (34954986).

Almost surely, 2^116516615 is an apocalyptic number.

116516615 is a deficient number, since it is larger than the sum of its proper divisors (23303329).

116516615 is an equidigital number, since it uses as much as digits as its factorization.

116516615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23303328.

The product of its digits is 5400, while the sum is 32.

The square root of 116516615 is about 10794.2862200333. The cubic root of 116516615 is about 488.4228270661.

The spelling of 116516615 in words is "one hundred sixteen million, five hundred sixteen thousand, six hundred fifteen".