113666143444 has 48 divisors (see below), whose sum is σ = 240902823168. Its totient is φ = 45810805248.

The previous prime is 113666143441. The next prime is 113666143469. The reversal of 113666143444 is 444341666311.

It is a happy number.

It is a super-2 number, since 2×113666143444² (a number of 23 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 113666143444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113666143441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484522 + ... + 679774.

It is an arithmetic number, because the mean of its divisors is an integer number (5018808816).

Almost surely, 2^113666143444 is an apocalyptic number.

113666143444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

113666143444 is an abundant number, since it is smaller than the sum of its proper divisors (127236679724).

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

113666143444 is a wasteful number, since it uses less digits than its factorization.

113666143444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196504 (or 196502 counting only the distinct ones).

The product of its digits is 497664, while the sum is 43.

The spelling of 113666143444 in words is "one hundred thirteen billion, six hundred sixty-six million, one hundred forty-three thousand, four hundred forty-four".