189392966260 has 48 divisors (see below), whose sum is σ = 420193992960. Its totient is φ = 71588585600.

The previous prime is 189392966251. The next prime is 189392966293. The reversal of 189392966260 is 62669293981.

It is a super-2 number, since 2×189392966260² (a number of 23 digits) contains 22 as substring.

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, 3446566 + ... + 3501085.

It is an arithmetic number, because the mean of its divisors is an integer number (8754041520).

Almost surely, 2^189392966260 is an apocalyptic number.

189392966260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189392966260 is an abundant number, since it is smaller than the sum of its proper divisors (230801026700).

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

189392966260 is a wasteful number, since it uses less digits than its factorization.

189392966260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6947736 (or 6947734 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 61.

The spelling of 189392966260 in words is "one hundred eighty-nine billion, three hundred ninety-two million, nine hundred sixty-six thousand, two hundred sixty".