116171499 has 4 divisors (see below), whose sum is σ = 154895336. Its totient is φ = 77447664.

The previous prime is 116171483. The next prime is 116171507. The reversal of 116171499 is 994171611.

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

It is not a de Polignac number, because 116171499 - 2⁴ = 116171483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116171299) 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, 19361914 + ... + 19361919.

It is an arithmetic number, because the mean of its divisors is an integer number (38723834).

Almost surely, 2^116171499 is an apocalyptic number.

116171499 is a deficient number, since it is larger than the sum of its proper divisors (38723837).

116171499 is an equidigital number, since it uses as much as digits as its factorization.

116171499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38723836.

The product of its digits is 13608, while the sum is 39.

The square root of 116171499 is about 10778.2883149413. The cubic root of 116171499 is about 487.9401227148.

The spelling of 116171499 in words is "one hundred sixteen million, one hundred seventy-one thousand, four hundred ninety-nine".