189898734676 has 24 divisors (see below), whose sum is σ = 379822564800. Its totient is φ = 81379794432.

The previous prime is 189898734667. The next prime is 189898734679. The reversal of 189898734676 is 676437898981.

189898734676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189898734679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222900 + ... + 655348.

It is an arithmetic number, because the mean of its divisors is an integer number (15825940200).

Almost surely, 2^189898734676 is an apocalyptic number.

It is an amenable number.

189898734676 is an abundant number, since it is smaller than the sum of its proper divisors (189923830124).

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

189898734676 is a wasteful number, since it uses less digits than its factorization.

189898734676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448143 (or 448141 counting only the distinct ones).

The product of its digits is 877879296, while the sum is 76.

The spelling of 189898734676 in words is "one hundred eighty-nine billion, eight hundred ninety-eight million, seven hundred thirty-four thousand, six hundred seventy-six".