168889053 has 16 divisors (see below), whose sum is σ = 235072256. Its totient is φ = 107749440.

The previous prime is 168889051. The next prime is 168889057. The reversal of 168889053 is 350988861.

It is not a de Polignac number, because 168889053 - 2¹ = 168889051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168888993 and 168889011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168889051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5701 + ... + 19242.

It is an arithmetic number, because the mean of its divisors is an integer number (14692016).

Almost surely, 2^168889053 is an apocalyptic number.

It is an amenable number.

168889053 is a deficient number, since it is larger than the sum of its proper divisors (66183203).

168889053 is a wasteful number, since it uses less digits than its factorization.

168889053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25044.

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 168889053 is about 12995.7321071189. The cubic root of 168889053 is about 552.7564684963.

The spelling of 168889053 in words is "one hundred sixty-eight million, eight hundred eighty-nine thousand, fifty-three".