168299089 has 8 divisors (see below), whose sum is σ = 194503680. Its totient is φ = 142634976.

The previous prime is 168299083. The next prime is 168299101. The reversal of 168299089 is 980992861.

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 168299089 - 2¹³ = 168290897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168299083) 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, 134449 + ... + 135694.

It is an arithmetic number, because the mean of its divisors is an integer number (24312960).

Almost surely, 2^168299089 is an apocalyptic number.

It is an amenable number.

168299089 is a deficient number, since it is larger than the sum of its proper divisors (26204591).

168299089 is an equidigital number, since it uses as much as digits as its factorization.

168299089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270239.

The product of its (nonzero) digits is 559872, while the sum is 52.

The square root of 168299089 is about 12973.0138749637. The cubic root of 168299089 is about 552.1120871331.

The spelling of 168299089 in words is "one hundred sixty-eight million, two hundred ninety-nine thousand, eighty-nine".