165925193 has 8 divisors (see below), whose sum is σ = 191584512. Its totient is φ = 140754816.

The previous prime is 165925171. The next prime is 165925213. The reversal of 165925193 is 391529561.

It is a happy number.

165925193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 165925193 - 2⁶ = 165925129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165925193.

It is not an unprimeable number, because it can be changed into a prime (165955193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121505 + ... + 122862.

It is an arithmetic number, because the mean of its divisors is an integer number (23948064).

Almost surely, 2^165925193 is an apocalyptic number.

It is an amenable number.

165925193 is a deficient number, since it is larger than the sum of its proper divisors (25659319).

165925193 is an equidigital number, since it uses as much as digits as its factorization.

165925193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244471.

The product of its digits is 72900, while the sum is 41.

The square root of 165925193 is about 12881.1953249689. The cubic root of 165925193 is about 549.5038975515.

The spelling of 165925193 in words is "one hundred sixty-five million, nine hundred twenty-five thousand, one hundred ninety-three".