190525164 has 12 divisors (see below), whose sum is σ = 444558744. Its totient is φ = 63508384.

The previous prime is 190525147. The next prime is 190525183. The reversal of 190525164 is 461525091.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7938537 + ... + 7938560.

It is an arithmetic number, because the mean of its divisors is an integer number (37046562).

Almost surely, 2^190525164 is an apocalyptic number.

It is an amenable number.

190525164 is an abundant number, since it is smaller than the sum of its proper divisors (254033580).

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

190525164 is a wasteful number, since it uses less digits than its factorization.

190525164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15877104 (or 15877102 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 190525164 is about 13803.0853072782. The cubic root of 190525164 is about 575.4188897222.

The spelling of 190525164 in words is "one hundred ninety million, five hundred twenty-five thousand, one hundred sixty-four".