373393875816 has 256 divisors, whose sum is σ = 1167279052800. Its totient is φ = 111182181120.

The previous prime is 373393875793. The next prime is 373393875851. The reversal of 373393875816 is 618578393373.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7024410 + ... + 7077366.

It is an arithmetic number, because the mean of its divisors is an integer number (4559683800).

Almost surely, 2^373393875816 is an apocalyptic number.

373393875816 is a gapful number since it is divisible by the number (36) 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 373393875816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (583639526400).

373393875816 is an abundant number, since it is smaller than the sum of its proper divisors (793885176984).

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

373393875816 is a wasteful number, since it uses less digits than its factorization.

373393875816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53028 (or 53006 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 63.

The spelling of 373393875816 in words is "three hundred seventy-three billion, three hundred ninety-three million, eight hundred seventy-five thousand, eight hundred sixteen".