189086190930 has 192 divisors, whose sum is σ = 609086919168. Its totient is φ = 39630643200.

The previous prime is 189086190919. The next prime is 189086190947. The reversal of 189086190930 is 39091680981.

189086190930 is a `hidden beast` number, since 18 + 9 + 0 + 8 + 619 + 0 + 9 + 3 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1160242 + ... + 1313138.

It is an arithmetic number, because the mean of its divisors is an integer number (3172327704).

Almost surely, 2^189086190930 is an apocalyptic number.

189086190930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 189086190930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304543459584).

189086190930 is an abundant number, since it is smaller than the sum of its proper divisors (420000728238).

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

189086190930 is a wasteful number, since it uses less digits than its factorization.

189086190930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153081 (or 153078 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 54.

The spelling of 189086190930 in words is "one hundred eighty-nine billion, eighty-six million, one hundred ninety thousand, nine hundred thirty".