189308368100 has 18 divisors (see below), whose sum is σ = 410799158994. Its totient is φ = 75723347200.

The previous prime is 189308368091. The next prime is 189308368133. The reversal of 189308368100 is 1863803981.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 9593418916 + 179714949184 = 97946^2 + 423928^2 .

It is a super-2 number, since 2×189308368100² (a number of 23 digits) contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 946541741 + ... + 946541940.

Almost surely, 2^189308368100 is an apocalyptic number.

189308368100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189308368100 is an abundant number, since it is smaller than the sum of its proper divisors (221490790894).

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

189308368100 is a wasteful number, since it uses less digits than its factorization.

189308368100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893083695 (or 1893083688 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 189308368100 in words is "one hundred eighty-nine billion, three hundred eight million, three hundred sixty-eight thousand, one hundred".