187613668 has 48 divisors (see below), whose sum is σ = 379459584. Its totient is φ = 80324640.

The previous prime is 187613653. The next prime is 187613669. The reversal of 187613668 is 866316781.

187613668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (187613669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66421 + ... + 69187.

It is an arithmetic number, because the mean of its divisors is an integer number (7905408).

Almost surely, 2^187613668 is an apocalyptic number.

It is an amenable number.

187613668 is an abundant number, since it is smaller than the sum of its proper divisors (191845916).

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

187613668 is a wasteful number, since it uses less digits than its factorization.

187613668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872 (or 2870 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 187613668 is about 13697.2138772818. The cubic root of 187613668 is about 572.4727578044.

The spelling of 187613668 in words is "one hundred eighty-seven million, six hundred thirteen thousand, six hundred sixty-eight".