18989366070675 has 864 divisors, whose sum is σ = 45009306720000. Its totient is φ = 6988420454400.

The previous prime is 18989366070643. The next prime is 18989366070679. The reversal of 18989366070675 is 57607066398981.

It is not a de Polignac number, because 18989366070675 - 2⁵ = 18989366070643 is a prime.

It is a super-2 number, since 2×18989366070675² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (75).

It is a junction number, because it is equal to n+sod(n) for n = 18989366070597 and 18989366070606.

It is not an unprimeable number, because it can be changed into a prime (18989366070679) by changing a digit.

It is a polite number, since it can be written in 863 ways as a sum of consecutive naturals, for example, 38054841576 + ... + 38054842074.

It is an arithmetic number, because the mean of its divisors is an integer number (52094105000).

Almost surely, 2^{18989366070675} is an apocalyptic number.

18989366070675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18989366070675 is an abundant number, since it is smaller than the sum of its proper divisors (26019940649325).

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

18989366070675 is a wasteful number, since it uses less digits than its factorization.

18989366070675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817 (or 794 counting only the distinct ones).

The product of its (nonzero) digits is 823011840, while the sum is 75.

The spelling of 18989366070675 in words is "eighteen trillion, nine hundred eighty-nine billion, three hundred sixty-six million, seventy thousand, six hundred seventy-five".