166328262718 has 16 divisors (see below), whose sum is σ = 265627921104. Its totient is φ = 77839678080.

The previous prime is 166328262679. The next prime is 166328262743. The reversal of 166328262718 is 817262823661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13507680 + ... + 13519987.

It is an arithmetic number, because the mean of its divisors is an integer number (16601745069).

Almost surely, 2^166328262718 is an apocalyptic number.

166328262718 is a deficient number, since it is larger than the sum of its proper divisors (99299658386).

166328262718 is a wasteful number, since it uses less digits than its factorization.

166328262718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27027867.

The product of its digits is 2322432, while the sum is 52.

The spelling of 166328262718 in words is "one hundred sixty-six billion, three hundred twenty-eight million, two hundred sixty-two thousand, seven hundred eighteen".