18973061357800 has 96 divisors (see below), whose sum is σ = 48124597641120. Its totient is φ = 6899006188800.

The previous prime is 18973061357779. The next prime is 18973061357849. The reversal of 18973061357800 is 875316037981.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56409727 + ... + 56745073.

It is an arithmetic number, because the mean of its divisors is an integer number (501297892095).

Almost surely, 2^{18973061357800} is an apocalyptic number.

18973061357800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18973061357800 is an abundant number, since it is smaller than the sum of its proper divisors (29151536283320).

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

18973061357800 is a wasteful number, since it uses less digits than its factorization.

18973061357800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361091 (or 361082 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 58.

The spelling of 18973061357800 in words is "eighteen trillion, nine hundred seventy-three billion, sixty-one million, three hundred fifty-seven thousand, eight hundred".