18841997067084 has 72 divisors (see below), whose sum is σ = 52169018297760. Its totient is φ = 5707379768832.

The previous prime is 18841997067079. The next prime is 18841997067133. The reversal of 18841997067084 is 48076079914881.

18841997067084 is a `hidden beast` number, since 1 + 8 + 8 + 419 + 9 + 70 + 67 + 0 + 84 = 666.

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, 530802544 + ... + 530838039.

It is an arithmetic number, because the mean of its divisors is an integer number (724569698580).

Almost surely, 2^{18841997067084} is an apocalyptic number.

It is an amenable number.

18841997067084 is an abundant number, since it is smaller than the sum of its proper divisors (33327021230676).

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

18841997067084 is a wasteful number, since it uses less digits than its factorization.

18841997067084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061640639 (or 1061640634 counting only the distinct ones).

The product of its (nonzero) digits is 195084288, while the sum is 72.

The spelling of 18841997067084 in words is "eighteen trillion, eight hundred forty-one billion, nine hundred ninety-seven million, sixty-seven thousand, eighty-four".