165925133 has 8 divisors (see below), whose sum is σ = 181517760. Its totient is φ = 150417280.

The previous prime is 165925129. The next prime is 165925171. The reversal of 165925133 is 331529561.

165925133 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 165925133 - 2² = 165925129 is a prime.

It is a super-2 number, since 2×165925133² = 55062299522135378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165925093 and 165925102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165924133) 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, 17060 + ... + 24957.

It is an arithmetic number, because the mean of its divisors is an integer number (22689720).

Almost surely, 2^165925133 is an apocalyptic number.

It is an amenable number.

165925133 is a deficient number, since it is larger than the sum of its proper divisors (15592627).

165925133 is a wasteful number, since it uses less digits than its factorization.

165925133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42387.

The product of its digits is 24300, while the sum is 35.

The square root of 165925133 is about 12881.1929959923. The cubic root of 165925133 is about 549.5038313164.

The spelling of 165925133 in words is "one hundred sixty-five million, nine hundred twenty-five thousand, one hundred thirty-three".