166306053 has 8 divisors (see below), whose sum is σ = 234785088. Its totient is φ = 104348864.

The previous prime is 166306037. The next prime is 166306057. The reversal of 166306053 is 350603661.

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 166306053 - 2⁴ = 166306037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166306053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166306057) 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, 1630401 + ... + 1630502.

It is an arithmetic number, because the mean of its divisors is an integer number (29348136).

Almost surely, 2^166306053 is an apocalyptic number.

It is an amenable number.

166306053 is a deficient number, since it is larger than the sum of its proper divisors (68479035).

166306053 is a wasteful number, since it uses less digits than its factorization.

166306053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260923.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 166306053 is about 12895.9704171497. The cubic root of 166306053 is about 549.9240148471.

The spelling of 166306053 in words is "one hundred sixty-six million, three hundred six thousand, fifty-three".