113263661 has 24 divisors (see below), whose sum is σ = 137497920. Its totient is φ = 91371456.

The previous prime is 113263651. The next prime is 113263669. The reversal of 113263661 is 166362311.

It is a happy number.

It is not a de Polignac number, because 113263661 - 2¹⁰ = 113262637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113263669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270110 + ... + 270528.

It is an arithmetic number, because the mean of its divisors is an integer number (5729080).

Almost surely, 2^113263661 is an apocalyptic number.

It is an amenable number.

113263661 is a deficient number, since it is larger than the sum of its proper divisors (24234259).

113263661 is an equidigital number, since it uses as much as digits as its factorization.

113263661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 522 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

The square root of 113263661 is about 10642.5401573121. The cubic root of 113263661 is about 483.8345360791.

The spelling of 113263661 in words is "one hundred thirteen million, two hundred sixty-three thousand, six hundred sixty-one".