113578668 has 162 divisors, whose sum is σ = 350246988. Its totient is φ = 30935520.

The previous prime is 113578657. The next prime is 113578693. The reversal of 113578668 is 866875311.

113578668 is a `hidden beast` number, since 1 + 13 + 578 + 6 + 68 = 666.

It is a super-2 number, since 2×113578668² = 25800227649308448, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1695171 + ... + 1695237.

Almost surely, 2^113578668 is an apocalyptic number.

113578668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113578668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175123494).

113578668 is an abundant number, since it is smaller than the sum of its proper divisors (236668320).

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

113578668 is a wasteful number, since it uses less digits than its factorization.

113578668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 110 counting only the distinct ones).

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

The square root of 113578668 is about 10657.3293089779. The cubic root of 113578668 is about 484.2826650663.

The spelling of 113578668 in words is "one hundred thirteen million, five hundred seventy-eight thousand, six hundred sixty-eight".