113661746667 has 96 divisors (see below), whose sum is σ = 212841830400. Its totient is φ = 59545886400.

The previous prime is 113661746659. The next prime is 113661746669. The reversal of 113661746667 is 766647166311.

It is not a de Polignac number, because 113661746667 - 2³ = 113661746659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113661746669) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 706317 + ... + 852177.

It is an arithmetic number, because the mean of its divisors is an integer number (2217102400).

Almost surely, 2^113661746667 is an apocalyptic number.

113661746667 is a deficient number, since it is larger than the sum of its proper divisors (99180083733).

113661746667 is a wasteful number, since it uses less digits than its factorization.

113661746667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145934 (or 145921 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The spelling of 113661746667 in words is "one hundred thirteen billion, six hundred sixty-one million, seven hundred forty-six thousand, six hundred sixty-seven".