168470542336 has 48 divisors (see below), whose sum is σ = 338112192600. Its totient is φ = 83921854464.

The previous prime is 168470542321. The next prime is 168470542367. The reversal of 168470542336 is 633245074861.

It is a self number, because there is not a number n which added to its sum of digits gives 168470542336.

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, 398011 + ... + 703813.

Almost surely, 2^168470542336 is an apocalyptic number.

168470542336 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 168470542336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169056096300).

168470542336 is an abundant number, since it is smaller than the sum of its proper divisors (169641650264).

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

168470542336 is an equidigital number, since it uses as much as digits as its factorization.

168470542336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306094 (or 306074 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 168470542336 in words is "one hundred sixty-eight billion, four hundred seventy million, five hundred forty-two thousand, three hundred thirty-six".