166126633 has 16 divisors (see below), whose sum is σ = 180357120. Its totient is φ = 152482176.

The previous prime is 166126621. The next prime is 166126657. The reversal of 166126633 is 336621661.

166126633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 166126633 - 2¹⁷ = 165995561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166126663) 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, 268941 + ... + 269557.

It is an arithmetic number, because the mean of its divisors is an integer number (11272320).

Almost surely, 2^166126633 is an apocalyptic number.

It is an amenable number.

166126633 is a deficient number, since it is larger than the sum of its proper divisors (14230487).

166126633 is a wasteful number, since it uses less digits than its factorization.

166126633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056.

The product of its digits is 23328, while the sum is 34.

The square root of 166126633 is about 12889.0121033383. The cubic root of 166126633 is about 549.7261810565.

The spelling of 166126633 in words is "one hundred sixty-six million, one hundred twenty-six thousand, six hundred thirty-three".