168264897 has 4 divisors (see below), whose sum is σ = 224353200. Its totient is φ = 112176596.

The previous prime is 168264881. The next prime is 168264917. The reversal of 168264897 is 798462861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 168264897 - 2⁴ = 168264881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168264847) 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, 28044147 + ... + 28044152.

It is an arithmetic number, because the mean of its divisors is an integer number (56088300).

Almost surely, 2^168264897 is an apocalyptic number.

It is an amenable number.

168264897 is a deficient number, since it is larger than the sum of its proper divisors (56088303).

168264897 is an equidigital number, since it uses as much as digits as its factorization.

168264897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56088302.

The product of its digits is 1161216, while the sum is 51.

The square root of 168264897 is about 12971.6959955127. The cubic root of 168264897 is about 552.0746951797.

The spelling of 168264897 in words is "one hundred sixty-eight million, two hundred sixty-four thousand, eight hundred ninety-seven".