165120674 has 8 divisors (see below), whose sum is σ = 248430288. Its totient is φ = 82310580.

The previous prime is 165120673. The next prime is 165120691. The reversal of 165120674 is 476021561.

165120674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 165120674.

It is not an unprimeable number, because it can be changed into a prime (165120673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124052 + ... + 125375.

It is an arithmetic number, because the mean of its divisors is an integer number (31053786).

Almost surely, 2^165120674 is an apocalyptic number.

165120674 is a deficient number, since it is larger than the sum of its proper divisors (83309614).

165120674 is a wasteful number, since it uses less digits than its factorization.

165120674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249760.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 165120674 is about 12849.9289492199. The cubic root of 165120674 is about 548.6143344869.

The spelling of 165120674 in words is "one hundred sixty-five million, one hundred twenty thousand, six hundred seventy-four".