168245186463 has 12 divisors (see below), whose sum is σ = 243031543560. Its totient is φ = 112158510576.

The previous prime is 168245186443. The next prime is 168245186479. The reversal of 168245186463 is 364681542861.

168245186463 is a `hidden beast` number, since 1 + 6 + 8 + 2 + 4 + 518 + 64 + 63 = 666.

It is not a de Polignac number, because 168245186463 - 2³⁰ = 167171444639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168245186443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190593 + ... + 610586.

It is an arithmetic number, because the mean of its divisors is an integer number (20252628630).

Almost surely, 2^168245186463 is an apocalyptic number.

168245186463 is a deficient number, since it is larger than the sum of its proper divisors (74786357097).

168245186463 is a wasteful number, since it uses less digits than its factorization.

168245186463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824518 (or 824515 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The spelling of 168245186463 in words is "one hundred sixty-eight billion, two hundred forty-five million, one hundred eighty-six thousand, four hundred sixty-three".