116620815 has 8 divisors (see below), whose sum is σ = 186593328. Its totient is φ = 62197760.

The previous prime is 116620807. The next prime is 116620817. The reversal of 116620815 is 518026611.

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

It is not a de Polignac number, because 116620815 - 2³ = 116620807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116620817) 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, 3887346 + ... + 3887375.

It is an arithmetic number, because the mean of its divisors is an integer number (23324166).

Almost surely, 2^116620815 is an apocalyptic number.

116620815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

116620815 is a deficient number, since it is larger than the sum of its proper divisors (69972513).

116620815 is an equidigital number, since it uses as much as digits as its factorization.

116620815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7774729.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 116620815 is about 10799.1117690299. Note that the first 3 decimals coincide. The cubic root of 116620815 is about 488.5683813999.

The spelling of 116620815 in words is "one hundred sixteen million, six hundred twenty thousand, eight hundred fifteen".