166412799 has 40 divisors (see below), whose sum is σ = 286466048. Its totient is φ = 94303440.

The previous prime is 166412783. The next prime is 166412801. The reversal of 166412799 is 997214661.

166412799 is a `hidden beast` number, since 166 + 412 + 79 + 9 = 666.

It is not a de Polignac number, because 166412799 - 2⁴ = 166412783 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 (166411799) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 70854 + ... + 73164.

Almost surely, 2^166412799 is an apocalyptic number.

166412799 is a deficient number, since it is larger than the sum of its proper divisors (120053249).

166412799 is a wasteful number, since it uses less digits than its factorization.

166412799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457 (or 2448 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 166412799 is about 12900.1084879159. The cubic root of 166412799 is about 550.0416486367.

The spelling of 166412799 in words is "one hundred sixty-six million, four hundred twelve thousand, seven hundred ninety-nine".