168495797 has 8 divisors (see below), whose sum is σ = 170431800. Its totient is φ = 166567104.

The previous prime is 168495791. The next prime is 168495839. The reversal of 168495797 is 797594861.

It can be written as a sum of positive squares in 4 ways, for example, as 95922436 + 72573361 = 9794^2 + 8519^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168495797 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 (168495791) 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, 53963 + ... + 56999.

It is an arithmetic number, because the mean of its divisors is an integer number (21303975).

Almost surely, 2^168495797 is an apocalyptic number.

It is an amenable number.

168495797 is a deficient number, since it is larger than the sum of its proper divisors (1936003).

168495797 is a wasteful number, since it uses less digits than its factorization.

168495797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655.

The product of its digits is 3810240, while the sum is 56.

The square root of 168495797 is about 12980.5930912266. The cubic root of 168495797 is about 552.3271062796.

The spelling of 168495797 in words is "one hundred sixty-eight million, four hundred ninety-five thousand, seven hundred ninety-seven".