166307760818 has 16 divisors (see below), whose sum is σ = 257520062976. Its totient is φ = 80467974720.

The previous prime is 166307760811. The next prime is 166307760823. The reversal of 166307760818 is 818067703661.

166307760818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 166307760818.

It is not an unprimeable number, because it can be changed into a prime (166307760811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1882730 + ... + 1969082.

It is an arithmetic number, because the mean of its divisors is an integer number (16095003936).

Almost surely, 2^166307760818 is an apocalyptic number.

166307760818 is a deficient number, since it is larger than the sum of its proper divisors (91212302158).

166307760818 is a wasteful number, since it uses less digits than its factorization.

166307760818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117449.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 166307760818 in words is "one hundred sixty-six billion, three hundred seven million, seven hundred sixty thousand, eight hundred eighteen".