189621760610604 has 72 divisors (see below), whose sum is σ = 541776458919360. Its totient is φ = 51326190838944.

The previous prime is 189621760610603. The next prime is 189621760610651. The reversal of 189621760610604 is 406016067126981.

189621760610604 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (189621760610603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8486462182 + ... + 8486484525.

Almost surely, 2^{189621760610604} is an apocalyptic number.

189621760610604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

189621760610604 is an abundant number, since it is smaller than the sum of its proper divisors (352154698308756).

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

189621760610604 is a wasteful number, since it uses less digits than its factorization.

189621760610604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16972946747 (or 16972946738 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 189621760610604 in words is "one hundred eighty-nine trillion, six hundred twenty-one billion, seven hundred sixty million, six hundred ten thousand, six hundred four".