165165250445414 has 16 divisors (see below), whose sum is σ = 251591636939040. Its totient is φ = 81304652526720.

The previous prime is 165165250445413. The next prime is 165165250445453. The reversal of 165165250445414 is 414544052561561.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165165250445413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820164179 + ... + 820365534.

It is an arithmetic number, because the mean of its divisors is an integer number (15724477308690).

Almost surely, 2^{165165250445414} is an apocalyptic number.

165165250445414 is a deficient number, since it is larger than the sum of its proper divisors (86426386493626).

165165250445414 is a wasteful number, since it uses less digits than its factorization.

165165250445414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640530495.

The product of its (nonzero) digits is 11520000, while the sum is 53.

The spelling of 165165250445414 in words is "one hundred sixty-five trillion, one hundred sixty-five billion, two hundred fifty million, four hundred forty-five thousand, four hundred fourteen".