113613666 has 16 divisors (see below), whose sum is σ = 228173088. Its totient is φ = 37713600.

The previous prime is 113613653. The next prime is 113613671. The reversal of 113613666 is 666316311.

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37840 + ... + 40731.

It is an arithmetic number, because the mean of its divisors is an integer number (14260818).

Almost surely, 2^113613666 is an apocalyptic number.

113613666 is an abundant number, since it is smaller than the sum of its proper divisors (114559422).

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

113613666 is a wasteful number, since it uses less digits than its factorization.

113613666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78817.

The product of its digits is 11664, while the sum is 33.

The square root of 113613666 is about 10658.9711511008. The cubic root of 113613666 is about 484.3324020589.

Adding to 113613666 its reverse (666316311), we get a palindrome (779929977).

The spelling of 113613666 in words is "one hundred thirteen million, six hundred thirteen thousand, six hundred sixty-six".