166063371 has 4 divisors (see below), whose sum is σ = 221417832. Its totient is φ = 110708912.

The previous prime is 166063343. The next prime is 166063397. The reversal of 166063371 is 173360661.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 166063371 - 2⁹ = 166062859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166063171) 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, 27677226 + ... + 27677231.

It is an arithmetic number, because the mean of its divisors is an integer number (55354458).

Almost surely, 2^166063371 is an apocalyptic number.

166063371 is a deficient number, since it is larger than the sum of its proper divisors (55354461).

166063371 is an equidigital number, since it uses as much as digits as its factorization.

166063371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55354460.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 166063371 is about 12886.5577638095. The cubic root of 166063371 is about 549.6563925416.

The spelling of 166063371 in words is "one hundred sixty-six million, sixty-three thousand, three hundred seventy-one".