168021034824 has 32 divisors (see below), whose sum is σ = 420115674240. Its totient is φ = 55998600000.

The previous prime is 168021034817. The next prime is 168021034843. The reversal of 168021034824 is 428430120861.

168021034824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361552 + ... + 683199.

It is an arithmetic number, because the mean of its divisors is an integer number (13128614820).

Almost surely, 2^168021034824 is an apocalyptic number.

It is an amenable number.

168021034824 is an abundant number, since it is smaller than the sum of its proper divisors (252094639416).

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

168021034824 is a wasteful number, since it uses less digits than its factorization.

168021034824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051461 (or 1051457 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The spelling of 168021034824 in words is "one hundred sixty-eight billion, twenty-one million, thirty-four thousand, eight hundred twenty-four".