166465883 has 4 divisors (see below), whose sum is σ = 167396040. Its totient is φ = 165535728.

The previous prime is 166465861. The next prime is 166465891. The reversal of 166465883 is 388564661.

166465883 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 388564661 = 4241 ⋅91621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166465883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166465843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464810 + ... + 465167.

It is an arithmetic number, because the mean of its divisors is an integer number (41849010).

Almost surely, 2^166465883 is an apocalyptic number.

166465883 is a deficient number, since it is larger than the sum of its proper divisors (930157).

166465883 is an equidigital number, since it uses as much as digits as its factorization.

166465883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930156.

The product of its digits is 829440, while the sum is 47.

The square root of 166465883 is about 12902.1658259379. The cubic root of 166465883 is about 550.1001283269.

The spelling of 166465883 in words is "one hundred sixty-six million, four hundred sixty-five thousand, eight hundred eighty-three".