116398971 has 32 divisors (see below), whose sum is σ = 189241920. Its totient is φ = 70267392.

The previous prime is 116398969. The next prime is 116398973. The reversal of 116398971 is 179893611.

116398971 is a `hidden beast` number, since 1 + 1 + 639 + 8 + 9 + 7 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (116398969) and next prime (116398973).

It is not a de Polignac number, because 116398971 - 2¹ = 116398969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116398973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15475 + ... + 21731.

It is an arithmetic number, because the mean of its divisors is an integer number (5913810).

Almost surely, 2^116398971 is an apocalyptic number.

116398971 is a deficient number, since it is larger than the sum of its proper divisors (72842949).

116398971 is a wasteful number, since it uses less digits than its factorization.

116398971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6332 (or 6326 counting only the distinct ones).

The product of its digits is 81648, while the sum is 45.

The square root of 116398971 is about 10788.8354793277. The cubic root of 116398971 is about 488.2583888167.

The spelling of 116398971 in words is "one hundred sixteen million, three hundred ninety-eight thousand, nine hundred seventy-one".