188925065 has 16 divisors (see below), whose sum is σ = 259469568. Its totient is φ = 129362496.

The previous prime is 188925049. The next prime is 188925109. The reversal of 188925065 is 560529881.

It is a cyclic number.

It is not a de Polignac number, because 188925065 - 2⁴ = 188925049 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 23564 + ... + 30546.

It is an arithmetic number, because the mean of its divisors is an integer number (16216848).

Almost surely, 2^188925065 is an apocalyptic number.

It is an amenable number.

188925065 is a deficient number, since it is larger than the sum of its proper divisors (70544503).

188925065 is an equidigital number, since it uses as much as digits as its factorization.

188925065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7768.

The product of its (nonzero) digits is 172800, while the sum is 44.

The square root of 188925065 is about 13745.0014550745. The cubic root of 188925065 is about 573.8035006270.

The spelling of 188925065 in words is "one hundred eighty-eight million, nine hundred twenty-five thousand, sixty-five".