113506331451646 has 16 divisors (see below), whose sum is σ = 203042381727744. Its totient is φ = 46530545812344.

The previous prime is 113506331451619. The next prime is 113506331451647. The reversal of 113506331451646 is 646154133605311.

It is a super-2 number, since 2×113506331451646² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113506331451646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113506331451647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176252067150 + ... + 176252067793.

It is an arithmetic number, because the mean of its divisors is an integer number (12690148857984).

Almost surely, 2^{113506331451646} is an apocalyptic number.

113506331451646 is a deficient number, since it is larger than the sum of its proper divisors (89536050276098).

113506331451646 is a wasteful number, since it uses less digits than its factorization.

113506331451646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352504134975.

The product of its (nonzero) digits is 2332800, while the sum is 49.

The spelling of 113506331451646 in words is "one hundred thirteen trillion, five hundred six billion, three hundred thirty-one million, four hundred fifty-one thousand, six hundred forty-six".