166055276776 has 8 divisors (see below), whose sum is σ = 311353643970. Its totient is φ = 83027638384.

The previous prime is 166055276747. The next prime is 166055276857. The reversal of 166055276776 is 677672550661.

166055276776 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 140782544100 + 25272732676 = 375210^2 + 158974^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 166055276776.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10378454791 + ... + 10378454806.

Almost surely, 2^166055276776 is an apocalyptic number.

It is an amenable number.

166055276776 is a deficient number, since it is larger than the sum of its proper divisors (145298367194).

166055276776 is a wasteful number, since it uses less digits than its factorization.

166055276776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20756909603 (or 20756909599 counting only the distinct ones).

The product of its (nonzero) digits is 22226400, while the sum is 58.

The spelling of 166055276776 in words is "one hundred sixty-six billion, fifty-five million, two hundred seventy-six thousand, seven hundred seventy-six".