18673961059320 has 128 divisors (see below), whose sum is σ = 64026081331200. Its totient is φ = 4268262491136.

The previous prime is 18673961059279. The next prime is 18673961059363. The reversal of 18673961059320 is 2395016937681.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62623617 + ... + 62921103.

It is an arithmetic number, because the mean of its divisors is an integer number (500203760400).

Almost surely, 2^{18673961059320} is an apocalyptic number.

18673961059320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18673961059320 is an abundant number, since it is smaller than the sum of its proper divisors (45352120271880).

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

18673961059320 is a wasteful number, since it uses less digits than its factorization.

18673961059320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372237 (or 372233 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 60.

The spelling of 18673961059320 in words is "eighteen trillion, six hundred seventy-three billion, nine hundred sixty-one million, fifty-nine thousand, three hundred twenty".