190081568 has 48 divisors (see below), whose sum is σ = 392345856. Its totient is φ = 90478080.

The previous prime is 190081531. The next prime is 190081579. The reversal of 190081568 is 865180091.

It is a super-2 number, since 2×190081568² = 72262004986677248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198980 + ... + 199932.

It is an arithmetic number, because the mean of its divisors is an integer number (8173872).

Almost surely, 2^190081568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190081568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196172928).

190081568 is an abundant number, since it is smaller than the sum of its proper divisors (202264288).

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

190081568 is a wasteful number, since it uses less digits than its factorization.

190081568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257 (or 1249 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 190081568 is about 13787.0072169416. The cubic root of 190081568 is about 574.9719638504.

The spelling of 190081568 in words is "one hundred ninety million, eighty-one thousand, five hundred sixty-eight".