165103351 has 32 divisors (see below), whose sum is σ = 203212800. Its totient is φ = 131147520.

The previous prime is 165103349. The next prime is 165103363. The reversal of 165103351 is 153301561.

It is not a de Polignac number, because 165103351 - 2¹ = 165103349 is a prime.

It is a super-2 number, since 2×165103351² = 54518233022858402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165103051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 690690 + ... + 690928.

It is an arithmetic number, because the mean of its divisors is an integer number (6350400).

Almost surely, 2^165103351 is an apocalyptic number.

165103351 is a deficient number, since it is larger than the sum of its proper divisors (38109449).

165103351 is a wasteful number, since it uses less digits than its factorization.

165103351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 165103351 is about 12849.2548811205. The cubic root of 165103351 is about 548.5951485621.

The spelling of 165103351 in words is "one hundred sixty-five million, one hundred three thousand, three hundred fifty-one".