189223033608 has 192 divisors, whose sum is σ = 633990096000. Its totient is φ = 51218116992.

The previous prime is 189223033547. The next prime is 189223033613. The reversal of 189223033608 is 806330322981.

189223033608 is a `hidden beast` number, since 1 + 8 + 9 + 2 + 2 + 3 + 0 + 33 + 608 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 372498 + ... + 719166.

It is an arithmetic number, because the mean of its divisors is an integer number (3302031750).

Almost surely, 2^189223033608 is an apocalyptic number.

189223033608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189223033608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316995048000).

189223033608 is an abundant number, since it is smaller than the sum of its proper divisors (444767062392).

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

189223033608 is a wasteful number, since it uses less digits than its factorization.

189223033608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346729 (or 346700 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 189223033608 in words is "one hundred eighty-nine billion, two hundred twenty-three million, thirty-three thousand, six hundred eight".