166160053 has 4 divisors (see below), whose sum is σ = 171889740. Its totient is φ = 160430368.

The previous prime is 166160021. The next prime is 166160089. The reversal of 166160053 is 350061661.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26967249 + 139192804 = 5193^2 + 11798^2 .

It is a cyclic number.

It is not a de Polignac number, because 166160053 - 2⁵ = 166160021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166160653) 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 3 ways as a sum of consecutive naturals, for example, 2864800 + ... + 2864857.

It is an arithmetic number, because the mean of its divisors is an integer number (42972435).

Almost surely, 2^166160053 is an apocalyptic number.

It is an amenable number.

166160053 is a deficient number, since it is larger than the sum of its proper divisors (5729687).

166160053 is an equidigital number, since it uses as much as digits as its factorization.

166160053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729686.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 166160053 is about 12890.3084912658. The cubic root of 166160053 is about 549.7630417268.

The spelling of 166160053 in words is "one hundred sixty-six million, one hundred sixty thousand, fifty-three".