166851760001 has 12 divisors (see below), whose sum is σ = 177741419472. Its totient is φ = 156592761624.

The previous prime is 166851759959. The next prime is 166851760013. The reversal of 166851760001 is 100067158661.

166851760001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166851760001 - 2⁶ = 166851759937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166851760081) 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 11 ways as a sum of consecutive naturals, for example, 2121155 + ... + 2198408.

It is an arithmetic number, because the mean of its divisors is an integer number (14811784956).

Almost surely, 2^166851760001 is an apocalyptic number.

It is an amenable number.

166851760001 is a deficient number, since it is larger than the sum of its proper divisors (10889659471).

166851760001 is a wasteful number, since it uses less digits than its factorization.

166851760001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4319708 (or 4319689 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The spelling of 166851760001 in words is "one hundred sixty-six billion, eight hundred fifty-one million, seven hundred sixty thousand, one".