166053955201 has 8 divisors (see below), whose sum is σ = 167035133408. Its totient is φ = 165075192000.

The previous prime is 166053955159. The next prime is 166053955213. The reversal of 166053955201 is 102559350661.

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 166053955201 - 2⁷ = 166053955073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166053955261) 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, 465735 + ... + 740956.

It is an arithmetic number, because the mean of its divisors is an integer number (20879391676).

Almost surely, 2^166053955201 is an apocalyptic number.

It is an amenable number.

166053955201 is a deficient number, since it is larger than the sum of its proper divisors (981178207).

166053955201 is a wasteful number, since it uses less digits than its factorization.

166053955201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207503.

The product of its (nonzero) digits is 243000, while the sum is 43.

The spelling of 166053955201 in words is "one hundred sixty-six billion, fifty-three million, nine hundred fifty-five thousand, two hundred one".