166683118457711 has 32 divisors (see below), whose sum is σ = 178000507238400. Its totient is φ = 155743247278080.

The previous prime is 166683118457707. The next prime is 166683118457797. The reversal of 166683118457711 is 117754811386661.

166683118457711 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 166683118457711 - 2² = 166683118457707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166683118757711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192692810 + ... + 193555896.

It is an arithmetic number, because the mean of its divisors is an integer number (5562515851200).

Almost surely, 2^{166683118457711} is an apocalyptic number.

166683118457711 is a deficient number, since it is larger than the sum of its proper divisors (11317388780689).

166683118457711 is a wasteful number, since it uses less digits than its factorization.

166683118457711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864119.

The product of its digits is 40642560, while the sum is 65.

The spelling of 166683118457711 in words is "one hundred sixty-six trillion, six hundred eighty-three billion, one hundred eighteen million, four hundred fifty-seven thousand, seven hundred eleven".