189698208000 has 720 divisors, whose sum is σ = 735945764736. Its totient is φ = 43306905600.

The previous prime is 189698207969. The next prime is 189698208017. The reversal of 189698208000 is 802896981.

189698208000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×189698208000² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 230495589 + ... + 230496411.

Almost surely, 2^189698208000 is an apocalyptic number.

189698208000 is a gapful number since it is divisible by the number (10) 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 189698208000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367972882368).

189698208000 is an abundant number, since it is smaller than the sum of its proper divisors (546247556736).

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

189698208000 is an frugal number, since it uses more digits than its factorization.

189698208000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 51.

The spelling of 189698208000 in words is "one hundred eighty-nine billion, six hundred ninety-eight million, two hundred eight thousand".