189372549466 has 8 divisors (see below), whose sum is σ = 285801516864. Its totient is φ = 94105377180.

The previous prime is 189372549409. The next prime is 189372549493. The reversal of 189372549466 is 664945273981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 189372549398 and 189372549407.

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, 290448370 + ... + 290449021.

It is an arithmetic number, because the mean of its divisors is an integer number (35725189608).

Almost surely, 2^189372549466 is an apocalyptic number.

189372549466 is a deficient number, since it is larger than the sum of its proper divisors (96428967398).

189372549466 is a wasteful number, since it uses less digits than its factorization.

189372549466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580897556.

The product of its digits is 78382080, while the sum is 64.

The spelling of 189372549466 in words is "one hundred eighty-nine billion, three hundred seventy-two million, five hundred forty-nine thousand, four hundred sixty-six".