166106001 has 16 divisors (see below), whose sum is σ = 224659904. Its totient is φ = 109154304.

The previous prime is 166105981. The next prime is 166106009. The reversal of 166106001 is 100601661.

166106001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166106001 - 2⁷ = 166105873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166106009) 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, 81345 + ... + 83361.

It is an arithmetic number, because the mean of its divisors is an integer number (14041244).

Almost surely, 2^166106001 is an apocalyptic number.

It is an amenable number.

166106001 is a deficient number, since it is larger than the sum of its proper divisors (58553903).

166106001 is a wasteful number, since it uses less digits than its factorization.

166106001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 166106001 is about 12888.2117068273. The cubic root of 166106001 is about 549.7034224738.

Adding to 166106001 its reverse (100601661), we get a palindrome (266707662).

The spelling of 166106001 in words is "one hundred sixty-six million, one hundred six thousand, one".