190968880 has 20 divisors (see below), whose sum is σ = 444002832. Its totient is φ = 76387520.

The previous prime is 190968863. The next prime is 190968893. The reversal of 190968880 is 88869091.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×190968880² = 72938226256908800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1193476 + ... + 1193635.

Almost surely, 2^190968880 is an apocalyptic number.

190968880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190968880 is an abundant number, since it is smaller than the sum of its proper divisors (253033952).

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

190968880 is a wasteful number, since it uses less digits than its factorization.

190968880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387124 (or 2387118 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 49.

The square root of 190968880 is about 13819.1490331351. The cubic root of 190968880 is about 575.8652430384.

The spelling of 190968880 in words is "one hundred ninety million, nine hundred sixty-eight thousand, eight hundred eighty".