165559054324 has 12 divisors (see below), whose sum is σ = 289831802148. Its totient is φ = 82749968000.

The previous prime is 165559054301. The next prime is 165559054343. The reversal of 165559054324 is 423450955561.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 104381978724 + 61177075600 = 323082^2 + 247340^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7377187 + ... + 7399594.

It is an arithmetic number, because the mean of its divisors is an integer number (24152650179).

Almost surely, 2^165559054324 is an apocalyptic number.

It is an amenable number.

165559054324 is a deficient number, since it is larger than the sum of its proper divisors (124272747824).

165559054324 is a wasteful number, since it uses less digits than its factorization.

165559054324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14779586 (or 14779584 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 49.

The spelling of 165559054324 in words is "one hundred sixty-five billion, five hundred fifty-nine million, fifty-four thousand, three hundred twenty-four".