166465233 has 16 divisors (see below), whose sum is σ = 269035200. Its totient is φ = 100887840.

The previous prime is 166465223. The next prime is 166465253. The reversal of 166465233 is 332564661.

166465233 is a `hidden beast` number, since 1 + 6 + 646 + 5 + 2 + 3 + 3 = 666.

166465233 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 166465233 - 2⁹ = 166464721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166465223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279948 + ... + 280541.

It is an arithmetic number, because the mean of its divisors is an integer number (16814700).

Almost surely, 2^166465233 is an apocalyptic number.

It is an amenable number.

166465233 is a deficient number, since it is larger than the sum of its proper divisors (102569967).

166465233 is a wasteful number, since it uses less digits than its factorization.

166465233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560509 (or 560503 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 166465233 is about 12902.1406363440. The cubic root of 166465233 is about 550.0994123332.

The spelling of 166465233 in words is "one hundred sixty-six million, four hundred sixty-five thousand, two hundred thirty-three".