168962890563 has 6 divisors (see below), whose sum is σ = 244057508604. Its totient is φ = 112641927036.

The previous prime is 168962890483. The next prime is 168962890589. The reversal of 168962890563 is 365098269861.

168962890563 is a `hidden beast` number, since 1 + 6 + 8 + 9 + 62 + 8 + 9 + 0 + 563 = 666.

It is not a de Polignac number, because 168962890563 - 2⁸ = 168962890307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168962890563.

It is not an unprimeable number, because it can be changed into a prime (168962890363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9386827245 + ... + 9386827262.

It is an arithmetic number, because the mean of its divisors is an integer number (40676251434).

Almost surely, 2^168962890563 is an apocalyptic number.

168962890563 is a deficient number, since it is larger than the sum of its proper divisors (75094618041).

168962890563 is a wasteful number, since it uses less digits than its factorization.

168962890563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18773654513 (or 18773654510 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 63.

The spelling of 168962890563 in words is "one hundred sixty-eight billion, nine hundred sixty-two million, eight hundred ninety thousand, five hundred sixty-three".