165265353 has 20 divisors (see below), whose sum is σ = 269322768. Its totient is φ = 100160280.

The previous prime is 165265339. The next prime is 165265361. The reversal of 165265353 is 353562561.

It is not a de Polignac number, because 165265353 - 2⁴ = 165265337 is a prime.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (165265253) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 91851 + ... + 93632.

Almost surely, 2^165265353 is an apocalyptic number.

It is an amenable number.

165265353 is a deficient number, since it is larger than the sum of its proper divisors (104057415).

165265353 is a wasteful number, since it uses less digits than its factorization.

165265353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185506 (or 185497 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The square root of 165265353 is about 12855.5572808027. The cubic root of 165265353 is about 548.7745199650.

The spelling of 165265353 in words is "one hundred sixty-five million, two hundred sixty-five thousand, three hundred fifty-three".