166470801 has 16 divisors (see below), whose sum is σ = 257971200. Its totient is φ = 93513168.

The previous prime is 166470797. The next prime is 166470841. The reversal of 166470801 is 108074661.

It is a happy number.

It is not a de Polignac number, because 166470801 - 2² = 166470797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166470841) 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, 65941 + ... + 68418.

It is an arithmetic number, because the mean of its divisors is an integer number (16123200).

Almost surely, 2^166470801 is an apocalyptic number.

It is an amenable number.

166470801 is a deficient number, since it is larger than the sum of its proper divisors (91500399).

166470801 is a wasteful number, since it uses less digits than its factorization.

166470801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134428.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 166470801 is about 12902.3564126868. The cubic root of 166470801 is about 550.1055455846.

The spelling of 166470801 in words is "one hundred sixty-six million, four hundred seventy thousand, eight hundred one".