113493666 has 128 divisors (see below), whose sum is σ = 292626432. Its totient is φ = 28800000.

The previous prime is 113493659. The next prime is 113493703. The reversal of 113493666 is 666394311.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 452041 + ... + 452291.

It is an arithmetic number, because the mean of its divisors is an integer number (2286144).

Almost surely, 2^113493666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113493666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146313216).

113493666 is an abundant number, since it is smaller than the sum of its proper divisors (179132766).

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

113493666 is a wasteful number, since it uses less digits than its factorization.

113493666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328.

The product of its digits is 69984, while the sum is 39.

The square root of 113493666 is about 10653.3406028344. The cubic root of 113493666 is about 484.1618229241.

The spelling of 113493666 in words is "one hundred thirteen million, four hundred ninety-three thousand, six hundred sixty-six".