165622953 has 8 divisors (see below), whose sum is σ = 220890208. Its totient is φ = 110385504.

The previous prime is 165622939. The next prime is 165622957. The reversal of 165622953 is 359226561.

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

It is not a de Polignac number, because 165622953 - 2⁵ = 165622921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165622957) 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, 16725 + ... + 24717.

It is an arithmetic number, because the mean of its divisors is an integer number (27611276).

Almost surely, 2^165622953 is an apocalyptic number.

It is an amenable number.

165622953 is a deficient number, since it is larger than the sum of its proper divisors (55267255).

165622953 is an equidigital number, since it uses as much as digits as its factorization.

165622953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14903.

The product of its digits is 97200, while the sum is 39.

The square root of 165622953 is about 12869.4581471016. The cubic root of 165622953 is about 549.1700462959.

The spelling of 165622953 in words is "one hundred sixty-five million, six hundred twenty-two thousand, nine hundred fifty-three".