168247378476 has 192 divisors, whose sum is σ = 467310412800. Its totient is φ = 52220754432.

The previous prime is 168247378441. The next prime is 168247378483. The reversal of 168247378476 is 674873742861.

168247378476 is a `hidden beast` number, since 1 + 6 + 8 + 24 + 73 + 78 + 476 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33856920 + ... + 33861888.

It is an arithmetic number, because the mean of its divisors is an integer number (2433908400).

Almost surely, 2^168247378476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168247378476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233655206400).

168247378476 is an abundant number, since it is smaller than the sum of its proper divisors (299063034324).

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

168247378476 is a wasteful number, since it uses less digits than its factorization.

168247378476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5365 (or 5357 counting only the distinct ones).

The product of its digits is 75866112, while the sum is 63.

The spelling of 168247378476 in words is "one hundred sixty-eight billion, two hundred forty-seven million, three hundred seventy-eight thousand, four hundred seventy-six".