168365053 has 4 divisors (see below), whose sum is σ = 168517980. Its totient is φ = 168212128.

The previous prime is 168365051. The next prime is 168365089. The reversal of 168365053 is 350563861.

168365053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 36505764 + 131859289 = 6042^2 + 11483^2 .

It is a cyclic number.

It is not a de Polignac number, because 168365053 - 2¹ = 168365051 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 (168365051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74800 + ... + 77017.

It is an arithmetic number, because the mean of its divisors is an integer number (42129495).

Almost surely, 2^168365053 is an apocalyptic number.

It is an amenable number.

168365053 is a deficient number, since it is larger than the sum of its proper divisors (152927).

168365053 is a wasteful number, since it uses less digits than its factorization.

168365053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152926.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 168365053 is about 12975.5559803810. Note that the first 3 decimals coincide. The cubic root of 168365053 is about 552.1842102500.

The spelling of 168365053 in words is "one hundred sixty-eight million, three hundred sixty-five thousand, fifty-three".