166676001 has 4 divisors (see below), whose sum is σ = 222234672. Its totient is φ = 111117332.

The previous prime is 166675969. The next prime is 166676011. The reversal of 166676001 is 100676661.

166676001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 166676001 - 2⁵ = 166675969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (166676011) 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, 27779331 + ... + 27779336.

It is an arithmetic number, because the mean of its divisors is an integer number (55558668).

Almost surely, 2^166676001 is an apocalyptic number.

It is an amenable number.

166676001 is a deficient number, since it is larger than the sum of its proper divisors (55558671).

166676001 is an equidigital number, since it uses as much as digits as its factorization.

166676001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55558670.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 166676001 is about 12910.3059994719. The cubic root of 166676001 is about 550.3314817205.

The spelling of 166676001 in words is "one hundred sixty-six million, six hundred seventy-six thousand, one".