189266732572 has 12 divisors (see below), whose sum is σ = 331603272000. Its totient is φ = 94522940576.

The previous prime is 189266732569. The next prime is 189266732593. The reversal of 189266732572 is 275237662981.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27602572 + ... + 27609427.

It is an arithmetic number, because the mean of its divisors is an integer number (27633606000).

Almost surely, 2^189266732572 is an apocalyptic number.

It is an amenable number.

189266732572 is a deficient number, since it is larger than the sum of its proper divisors (142336539428).

189266732572 is a wasteful number, since it uses less digits than its factorization.

189266732572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55212860 (or 55212858 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 58.

The spelling of 189266732572 in words is "one hundred eighty-nine billion, two hundred sixty-six million, seven hundred thirty-two thousand, five hundred seventy-two".