168398612496 has 75 divisors (see below), whose sum is σ = 487437202351. Its totient is φ = 56127946464.

The previous prime is 168398612477. The next prime is 168398612537. The reversal of 168398612496 is 694216893861.

The square root of 168398612496 is 410364.

It is a perfect power (a square), and thus also a powerful number.

168398612496 is a `hidden beast` number, since 1 + 6 + 8 + 3 + 9 + 8 + 612 + 4 + 9 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 14767405 + ... + 14778803.

Almost surely, 2^168398612496 is an apocalyptic number.

168398612496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

168398612496 is the 410364-th square number.

It is an amenable number.

168398612496 is an abundant number, since it is smaller than the sum of its proper divisors (319038589855).

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

168398612496 is an frugal number, since it uses more digits than its factorization.

168398612496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22818 (or 11404 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 63.

The spelling of 168398612496 in words is "one hundred sixty-eight billion, three hundred ninety-eight million, six hundred twelve thousand, four hundred ninety-six".