116658378 has 12 divisors (see below), whose sum is σ = 252759858. Its totient is φ = 38886120.

The previous prime is 116658359. The next prime is 116658397. The reversal of 116658378 is 873856611.

116658378 is a `hidden beast` number, since 1 + 1 + 66 + 583 + 7 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (116658359) and next prime (116658397).

It can be written as a sum of positive squares in only one way, i.e., 105945849 + 10712529 = 10293^2 + 3273^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3240493 + ... + 3240528.

Almost surely, 2^116658378 is an apocalyptic number.

116658378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

116658378 is an abundant number, since it is smaller than the sum of its proper divisors (136101480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116658378 is a wasteful number, since it uses less digits than its factorization.

116658378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6481029 (or 6481026 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 116658378 is about 10800.8507998213. The cubic root of 116658378 is about 488.6208309393.

The spelling of 116658378 in words is "one hundred sixteen million, six hundred fifty-eight thousand, three hundred seventy-eight".