166162201 has 16 divisors (see below), whose sum is σ = 182886400. Its totient is φ = 150368400.

The previous prime is 166162187. The next prime is 166162229. The reversal of 166162201 is 102261661.

It is a cyclic number.

It is not a de Polignac number, because 166162201 - 2¹⁵ = 166129433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166162501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44746 + ... + 48316.

It is an arithmetic number, because the mean of its divisors is an integer number (11430400).

Almost surely, 2^166162201 is an apocalyptic number.

It is an amenable number.

166162201 is a deficient number, since it is larger than the sum of its proper divisors (16724199).

166162201 is a wasteful number, since it uses less digits than its factorization.

166162201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 166162201 is about 12890.3918094059. The cubic root of 166162201 is about 549.7654106996.

The spelling of 166162201 in words is "one hundred sixty-six million, one hundred sixty-two thousand, two hundred one".