43660118964 has 216 divisors, whose sum is σ = 137337191712. Its totient is φ = 10672757760.

The previous prime is 43660118959. The next prime is 43660118993. The reversal of 43660118964 is 46981106634.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1857574 + ... + 1880930.

It is an arithmetic number, because the mean of its divisors is an integer number (635820332).

Almost surely, 2^43660118964 is an apocalyptic number.

43660118964 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43660118964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68668595856).

43660118964 is an abundant number, since it is smaller than the sum of its proper divisors (93677072748).

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

43660118964 is a wasteful number, since it uses less digits than its factorization.

43660118964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23423 (or 23397 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 43660118964 in words is "forty-three billion, six hundred sixty million, one hundred eighteen thousand, nine hundred sixty-four".