165018074 has 16 divisors (see below), whose sum is σ = 266908488. Its totient is φ = 76064832.

The previous prime is 165018037. The next prime is 165018083. The reversal of 165018074 is 470810561.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 148962025 + 16056049 = 12205^2 + 4007^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 165018074.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19184 + ... + 26420.

Almost surely, 2^165018074 is an apocalyptic number.

165018074 is a deficient number, since it is larger than the sum of its proper divisors (101890414).

165018074 is a wasteful number, since it uses less digits than its factorization.

165018074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8129.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 165018074 is about 12845.9360888960. The cubic root of 165018074 is about 548.5006812583.

The spelling of 165018074 in words is "one hundred sixty-five million, eighteen thousand, seventy-four".