18373346705380 has 24 divisors (see below), whose sum is σ = 38640520098432. Its totient is φ = 7338578297952.

The previous prime is 18373346705353. The next prime is 18373346705387. The reversal of 18373346705380 is 8350764337381.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18373346705387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672510012 + ... + 672537331.

It is an arithmetic number, because the mean of its divisors is an integer number (1610021670768).

Almost surely, 2^{18373346705380} is an apocalyptic number.

18373346705380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18373346705380 is an abundant number, since it is smaller than the sum of its proper divisors (20267173393052).

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

18373346705380 is a wasteful number, since it uses less digits than its factorization.

18373346705380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345048035 (or 1345048033 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 58.

The spelling of 18373346705380 in words is "eighteen trillion, three hundred seventy-three billion, three hundred forty-six million, seven hundred five thousand, three hundred eighty".