190613680 has 20 divisors (see below), whose sum is σ = 443176992. Its totient is φ = 76245440.

The previous prime is 190613671. The next prime is 190613701. The reversal of 190613680 is 86316091.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191256 + ... + 1191415.

Almost surely, 2^190613680 is an apocalyptic number.

190613680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190613680 is an abundant number, since it is smaller than the sum of its proper divisors (252563312).

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

190613680 is a wasteful number, since it uses less digits than its factorization.

190613680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382684 (or 2382678 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 190613680 is about 13806.2913195398. The cubic root of 190613680 is about 575.5079871265.

The spelling of 190613680 in words is "one hundred ninety million, six hundred thirteen thousand, six hundred eighty".