165033274 has 24 divisors (see below), whose sum is σ = 297260928. Its totient is φ = 68445720.

The previous prime is 165033251. The next prime is 165033311. The reversal of 165033274 is 472330561.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24124 + ... + 30199.

It is an arithmetic number, because the mean of its divisors is an integer number (12385872).

Almost surely, 2^165033274 is an apocalyptic number.

165033274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

165033274 is a deficient number, since it is larger than the sum of its proper divisors (132227654).

165033274 is a wasteful number, since it uses less digits than its factorization.

165033274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54370 (or 54363 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 165033274 is about 12846.5277020680. The cubic root of 165033274 is about 548.5175217456.

The spelling of 165033274 in words is "one hundred sixty-five million, thirty-three thousand, two hundred seventy-four".