168537498496 has 32 divisors (see below), whose sum is σ = 335815960680. Its totient is φ = 84254277120.

The previous prime is 168537498463. The next prime is 168537498541. The reversal of 168537498496 is 694894735861.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655495 + ... + 875641.

Almost surely, 2^168537498496 is an apocalyptic number.

168537498496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

168537498496 is a deficient number, since it is larger than the sum of its proper divisors (167278462184).

168537498496 is an equidigital number, since it uses as much as digits as its factorization.

168537498496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226142 (or 226130 counting only the distinct ones).

The product of its digits is 313528320, while the sum is 70.

The spelling of 168537498496 in words is "one hundred sixty-eight billion, five hundred thirty-seven million, four hundred ninety-eight thousand, four hundred ninety-six".