190925169 has 8 divisors (see below), whose sum is σ = 255473952. Its totient is φ = 126829920.

The previous prime is 190925153. The next prime is 190925179. The reversal of 190925169 is 961529091.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 190925169 - 2⁴ = 190925153 is a prime.

It is a super-2 number, since 2×190925169² = 72904840315357122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 190925169.

It is not an unprimeable number, because it can be changed into a prime (190925179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112399 + ... + 114084.

It is an arithmetic number, because the mean of its divisors is an integer number (31934244).

Almost surely, 2^190925169 is an apocalyptic number.

It is an amenable number.

190925169 is a deficient number, since it is larger than the sum of its proper divisors (64548783).

190925169 is a wasteful number, since it uses less digits than its factorization.

190925169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226767.

The product of its (nonzero) digits is 43740, while the sum is 42.

The square root of 190925169 is about 13817.5674052997. The cubic root of 190925169 is about 575.8213029535.

The spelling of 190925169 in words is "one hundred ninety million, nine hundred twenty-five thousand, one hundred sixty-nine".