187048164 has 24 divisors (see below), whose sum is σ = 436800448. Its totient is φ = 62298720.

The previous prime is 187048159. The next prime is 187048171. The reversal of 187048164 is 461840781.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 10929 + ... + 22215.

Almost surely, 2^187048164 is an apocalyptic number.

It is an amenable number.

187048164 is an abundant number, since it is smaller than the sum of its proper divisors (249752284).

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

187048164 is a wasteful number, since it uses less digits than its factorization.

187048164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12675 (or 12673 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 187048164 is about 13676.5552680490. Note that the first 3 decimals coincide. The cubic root of 187048164 is about 571.8969976071.

The spelling of 187048164 in words is "one hundred eighty-seven million, forty-eight thousand, one hundred sixty-four".