166355555024 has 10 divisors (see below), whose sum is σ = 322313887890. Its totient is φ = 83177777504.

The previous prime is 166355555017. The next prime is 166355555101. The reversal of 166355555024 is 420555553661.

It can be written as a sum of positive squares in only one way, i.e., 101167252624 + 65188302400 = 318068^2 + 255320^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 166355555024.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 5198611079 + ... + 5198611110.

It is an arithmetic number, because the mean of its divisors is an integer number (32231388789).

Almost surely, 2^166355555024 is an apocalyptic number.

It is an amenable number.

166355555024 is a deficient number, since it is larger than the sum of its proper divisors (155958332866).

166355555024 is a wasteful number, since it uses less digits than its factorization.

166355555024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10397222197 (or 10397222191 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 47.

The spelling of 166355555024 in words is "one hundred sixty-six billion, three hundred fifty-five million, five hundred fifty-five thousand, twenty-four".