168297396547 has 32 divisors (see below), whose sum is σ = 205707898880. Its totient is φ = 134476705440.

The previous prime is 168297396497. The next prime is 168297396563. The reversal of 168297396547 is 745693792861.

It is not a de Polignac number, because 168297396547 - 2⁷ = 168297396419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is not an unprimeable number, because it can be changed into a prime (168297396347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8607172 + ... + 8626702.

It is an arithmetic number, because the mean of its divisors is an integer number (6428371840).

Almost surely, 2^168297396547 is an apocalyptic number.

168297396547 is a deficient number, since it is larger than the sum of its proper divisors (37410502333).

168297396547 is a wasteful number, since it uses less digits than its factorization.

168297396547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20591.

The product of its digits is 137168640, while the sum is 67.

The spelling of 168297396547 in words is "one hundred sixty-eight billion, two hundred ninety-seven million, three hundred ninety-six thousand, five hundred forty-seven".