189406766676 has 48 divisors (see below), whose sum is σ = 472412239488. Its totient is φ = 58917619200.

The previous prime is 189406766567. The next prime is 189406766707. The reversal of 189406766676 is 676667604981.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8357665 + ... + 8380296.

It is an arithmetic number, because the mean of its divisors is an integer number (9841921656).

Almost surely, 2^189406766676 is an apocalyptic number.

It is an amenable number.

189406766676 is an abundant number, since it is smaller than the sum of its proper divisors (283005472812).

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

189406766676 is a wasteful number, since it uses less digits than its factorization.

189406766676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16738032 (or 16738030 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 66.

The spelling of 189406766676 in words is "one hundred eighty-nine billion, four hundred six million, seven hundred sixty-six thousand, six hundred seventy-six".