165742074 has 48 divisors (see below), whose sum is σ = 364396032. Its totient is φ = 54441504.

The previous prime is 165742067. The next prime is 165742091. The reversal of 165742074 is 470247561.

165742074 is a `hidden beast` number, since 16 + 574 + 2 + 0 + 74 = 666.

165742074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 630067 + ... + 630329.

It is an arithmetic number, because the mean of its divisors is an integer number (7591584).

Almost surely, 2^165742074 is an apocalyptic number.

165742074 is an abundant number, since it is smaller than the sum of its proper divisors (198653958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165742074 is a wasteful number, since it uses less digits than its factorization.

165742074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 165742074 is about 12874.0853655706. The cubic root of 165742074 is about 549.3016746052.

The spelling of 165742074 in words is "one hundred sixty-five million, seven hundred forty-two thousand, seventy-four".