189426706886 has 16 divisors (see below), whose sum is σ = 285888869280. Its totient is φ = 94130605440.

The previous prime is 189426706817. The next prime is 189426706921. The reversal of 189426706886 is 688607624981.

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, 2120900 + ... + 2208408.

It is an arithmetic number, because the mean of its divisors is an integer number (17868054330).

Almost surely, 2^189426706886 is an apocalyptic number.

189426706886 is a deficient number, since it is larger than the sum of its proper divisors (96462162394).

189426706886 is a wasteful number, since it uses less digits than its factorization.

189426706886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94159.

The product of its (nonzero) digits is 55738368, while the sum is 65.

The spelling of 189426706886 in words is "one hundred eighty-nine billion, four hundred twenty-six million, seven hundred six thousand, eight hundred eighty-six".