187340164 has 24 divisors (see below), whose sum is σ = 365970528. Its totient is φ = 83173440.

The previous prime is 187340137. The next prime is 187340173. The reversal of 187340164 is 461043781.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47617 + ... + 51400.

It is an arithmetic number, because the mean of its divisors is an integer number (15248772).

Almost surely, 2^187340164 is an apocalyptic number.

It is an amenable number.

187340164 is a deficient number, since it is larger than the sum of its proper divisors (178630364).

187340164 is a wasteful number, since it uses less digits than its factorization.

187340164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99075 (or 99073 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 187340164 is about 13687.2263077659. The cubic root of 187340164 is about 572.1944381115.

The spelling of 187340164 in words is "one hundred eighty-seven million, three hundred forty thousand, one hundred sixty-four".