18872097343328 has 48 divisors (see below), whose sum is σ = 37198306860624. Its totient is φ = 9424910691840.

The previous prime is 18872097343303. The next prime is 18872097343343. The reversal of 18872097343328 is 82334379027881.

It is a super-2 number, since 2×18872097343328² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294674126 + ... + 294738162.

It is an arithmetic number, because the mean of its divisors is an integer number (774964726263).

Almost surely, 2^{18872097343328} is an apocalyptic number.

It is an amenable number.

18872097343328 is a deficient number, since it is larger than the sum of its proper divisors (18326209517296).

18872097343328 is an equidigital number, since it uses as much as digits as its factorization.

18872097343328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74775 (or 74767 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 65.

The spelling of 18872097343328 in words is "eighteen trillion, eight hundred seventy-two billion, ninety-seven million, three hundred forty-three thousand, three hundred twenty-eight".