165250254 has 32 divisors (see below), whose sum is σ = 364611744. Its totient is φ = 49605120.

The previous prime is 165250249. The next prime is 165250271. The reversal of 165250254 is 452052561.

165250254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22639 + ... + 29034.

It is an arithmetic number, because the mean of its divisors is an integer number (11394117).

Almost surely, 2^165250254 is an apocalyptic number.

165250254 is an abundant number, since it is smaller than the sum of its proper divisors (199361490).

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

165250254 is a wasteful number, since it uses less digits than its factorization.

165250254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51732.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 165250254 is about 12854.9700116336. The cubic root of 165250254 is about 548.7578070471.

The spelling of 165250254 in words is "one hundred sixty-five million, two hundred fifty thousand, two hundred fifty-four".