373661664320 has 112 divisors (see below), whose sum is σ = 1018137143808. Its totient is φ = 127955896320.

The previous prime is 373661664307. The next prime is 373661664323. The reversal of 373661664320 is 23466166373.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×373661664320² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (373661664323) 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, 1737449 + ... + 1940631.

Almost surely, 2^373661664320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 373661664320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509068571904).

373661664320 is an abundant number, since it is smaller than the sum of its proper divisors (644475479488).

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

373661664320 is a wasteful number, since it uses less digits than its factorization.

373661664320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204028 (or 204018 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 47.

The spelling of 373661664320 in words is "three hundred seventy-three billion, six hundred sixty-one million, six hundred sixty-four thousand, three hundred twenty".