166133001 has 8 divisors (see below), whose sum is σ = 221571360. Its totient is φ = 110724992.

The previous prime is 166132973. The next prime is 166133003. The reversal of 166133001 is 100331661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166133001 - 2⁵ = 166132969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166133003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13810 + ... + 22868.

It is an arithmetic number, because the mean of its divisors is an integer number (27696420).

Almost surely, 2^166133001 is an apocalyptic number.

It is an amenable number.

166133001 is a deficient number, since it is larger than the sum of its proper divisors (55438359).

166133001 is an equidigital number, since it uses as much as digits as its factorization.

166133001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15175.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 166133001 is about 12889.2591330922. The cubic root of 166133001 is about 549.7332050388.

Adding to 166133001 its reverse (100331661), we get a palindrome (266464662).

The spelling of 166133001 in words is "one hundred sixty-six million, one hundred thirty-three thousand, one".