18373296830394 has 32 divisors (see below), whose sum is σ = 40094643625920. Its totient is φ = 5566630908800.

The previous prime is 18373296830353. The next prime is 18373296830411. The reversal of 18373296830394 is 49303869237381.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25512099 + ... + 26222390.

It is an arithmetic number, because the mean of its divisors is an integer number (1252957613310).

Almost surely, 2^{18373296830394} is an apocalyptic number.

18373296830394 is an abundant number, since it is smaller than the sum of its proper divisors (21721346795526).

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

18373296830394 is a wasteful number, since it uses less digits than its factorization.

18373296830394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51739886.

The product of its (nonzero) digits is 141087744, while the sum is 66.

The spelling of 18373296830394 in words is "eighteen trillion, three hundred seventy-three billion, two hundred ninety-six million, eight hundred thirty thousand, three hundred ninety-four".