165814083144 has 48 divisors (see below), whose sum is σ = 449120681100. Its totient is φ = 55266330624.

The previous prime is 165814083109. The next prime is 165814083173. The reversal of 165814083144 is 441380418561.

165814083144 is a `hidden beast` number, since 16 + 581 + 40 + 8 + 3 + 14 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 158135066244 + 7679016900 = 397662^2 + 87630^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 165814083144.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 738592 + ... + 936560.

Almost surely, 2^165814083144 is an apocalyptic number.

It is an amenable number.

165814083144 is an abundant number, since it is smaller than the sum of its proper divisors (283306597956).

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

165814083144 is a wasteful number, since it uses less digits than its factorization.

165814083144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209614 (or 209607 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 165814083144 in words is "one hundred sixty-five billion, eight hundred fourteen million, eighty-three thousand, one hundred forty-four".