189846924664 has 32 divisors (see below), whose sum is σ = 367841635200. Its totient is φ = 91762421760.

The previous prime is 189846924653. The next prime is 189846924679. The reversal of 189846924664 is 466429648981.

It is a self number, because there is not a number n which added to its sum of digits gives 189846924664.

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, 181617 + ... + 642400.

It is an arithmetic number, because the mean of its divisors is an integer number (11495051100).

Almost surely, 2^189846924664 is an apocalyptic number.

It is an amenable number.

189846924664 is a deficient number, since it is larger than the sum of its proper divisors (177994710536).

189846924664 is a wasteful number, since it uses less digits than its factorization.

189846924664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824983 (or 824979 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 67.

The spelling of 189846924664 in words is "one hundred eighty-nine billion, eight hundred forty-six million, nine hundred twenty-four thousand, six hundred sixty-four".