168660247296 has 72 divisors (see below), whose sum is σ = 449852677120. Its totient is φ = 56098538496.

The previous prime is 168660247219. The next prime is 168660247297. The reversal of 168660247296 is 692742066861.

It is not an unprimeable number, because it can be changed into a prime (168660247297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118425 + ... + 592743.

Almost surely, 2^168660247296 is an apocalyptic number.

168660247296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168660247296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224926338560).

168660247296 is an abundant number, since it is smaller than the sum of its proper divisors (281192429824).

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

168660247296 is an equidigital number, since it uses as much as digits as its factorization.

168660247296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474801 (or 474787 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 168660247296 in words is "one hundred sixty-eight billion, six hundred sixty million, two hundred forty-seven thousand, two hundred ninety-six".