168773547894 has 32 divisors (see below), whose sum is σ = 385863726336. Its totient is φ = 48209061600.

The previous prime is 168773547883. The next prime is 168773547923. The reversal of 168773547894 is 498745377861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325837 + ... + 666120.

It is an arithmetic number, because the mean of its divisors is an integer number (12058241448).

Almost surely, 2^168773547894 is an apocalyptic number.

168773547894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

168773547894 is an abundant number, since it is smaller than the sum of its proper divisors (217090178442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168773547894 is a wasteful number, since it uses less digits than its factorization.

168773547894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996020.

The product of its digits is 284497920, while the sum is 69.

The spelling of 168773547894 in words is "one hundred sixty-eight billion, seven hundred seventy-three million, five hundred forty-seven thousand, eight hundred ninety-four".