166214546 has 16 divisors (see below), whose sum is σ = 262707360. Its totient is φ = 78654240.

The previous prime is 166214539. The next prime is 166214557. The reversal of 166214546 is 645412661.

166214546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×166214546² = 55254550603972232, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56750 + ... + 59606.

It is an arithmetic number, because the mean of its divisors is an integer number (16419210).

Almost surely, 2^166214546 is an apocalyptic number.

166214546 is a deficient number, since it is larger than the sum of its proper divisors (96492814).

166214546 is a wasteful number, since it uses less digits than its factorization.

166214546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4409.

The product of its digits is 34560, while the sum is 35.

The square root of 166214546 is about 12892.4220377709. The cubic root of 166214546 is about 549.8231343153.

The spelling of 166214546 in words is "one hundred sixty-six million, two hundred fourteen thousand, five hundred forty-six".