168894769365 has 48 divisors (see below), whose sum is σ = 335432822400. Its totient is φ = 77010500736.

The previous prime is 168894769363. The next prime is 168894769369. The reversal of 168894769365 is 563967498861.

168894769365 is a `hidden beast` number, since 1 + 6 + 8 + 8 + 9 + 476 + 93 + 65 = 666.

It is not a de Polignac number, because 168894769365 - 2¹ = 168894769363 is a prime.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 168894769293 and 168894769302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168894769363) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 566635 + ... + 811704.

It is an arithmetic number, because the mean of its divisors is an integer number (6988183800).

Almost surely, 2^168894769365 is an apocalyptic number.

168894769365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

168894769365 is a deficient number, since it is larger than the sum of its proper divisors (166538053035).

168894769365 is a wasteful number, since it uses less digits than its factorization.

168894769365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378746 (or 1378743 counting only the distinct ones).

The product of its digits is 470292480, while the sum is 72.

The spelling of 168894769365 in words is "one hundred sixty-eight billion, eight hundred ninety-four million, seven hundred sixty-nine thousand, three hundred sixty-five".