165775795 has 4 divisors (see below), whose sum is σ = 198930960. Its totient is φ = 132620632.

The previous prime is 165775787. The next prime is 165775807. The reversal of 165775795 is 597577561.

165775795 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 165775795 - 2³ = 165775787 is a prime.

It is a super-2 number, since 2×165775795² = 54963228415764050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16577575 + ... + 16577584.

It is an arithmetic number, because the mean of its divisors is an integer number (49732740).

Almost surely, 2^165775795 is an apocalyptic number.

165775795 is a deficient number, since it is larger than the sum of its proper divisors (33155165).

165775795 is an equidigital number, since it uses as much as digits as its factorization.

165775795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33155164.

The product of its digits is 2315250, while the sum is 52.

The square root of 165775795 is about 12875.3949453988. The cubic root of 165775795 is about 549.3389247439.

The spelling of 165775795 in words is "one hundred sixty-five million, seven hundred seventy-five thousand, seven hundred ninety-five".