165925093 has 4 divisors (see below), whose sum is σ = 166047840. Its totient is φ = 165802348.

The previous prime is 165925079. The next prime is 165925099. The reversal of 165925093 is 390529561.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 165925093 - 2¹⁷ = 165794021 is a prime.

It is a super-2 number, since 2×165925093² = 55062272974117298, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165925099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59323 + ... + 62056.

It is an arithmetic number, because the mean of its divisors is an integer number (41511960).

Almost surely, 2^165925093 is an apocalyptic number.

It is an amenable number.

165925093 is a deficient number, since it is larger than the sum of its proper divisors (122747).

165925093 is a wasteful number, since it uses less digits than its factorization.

165925093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122746.

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 165925093 is about 12881.1914433409. The cubic root of 165925093 is about 549.5037871596.

The spelling of 165925093 in words is "one hundred sixty-five million, nine hundred twenty-five thousand, ninety-three".