168037089 has 16 divisors (see below), whose sum is σ = 244762560. Its totient is φ = 101696960.

The previous prime is 168037087. The next prime is 168037097. The reversal of 168037089 is 980730861.

It is a cyclic number.

It is not a de Polignac number, because 168037089 - 2¹ = 168037087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168037089.

It is not an unprimeable number, because it can be changed into a prime (168037087) 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, 23107 + ... + 29495.

It is an arithmetic number, because the mean of its divisors is an integer number (15297660).

Almost surely, 2^168037089 is an apocalyptic number.

It is an amenable number.

168037089 is a deficient number, since it is larger than the sum of its proper divisors (76725471).

168037089 is a wasteful number, since it uses less digits than its factorization.

168037089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7200.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 168037089 is about 12962.9120570958. The cubic root of 168037089 is about 551.8254377404.

The spelling of 168037089 in words is "one hundred sixty-eight million, thirty-seven thousand, eighty-nine".