168211611642504 has 64 divisors (see below), whose sum is σ = 423617365463040. Its totient is φ = 55658795328000.

The previous prime is 168211611642499. The next prime is 168211611642523. The reversal of 168211611642504 is 405246116112861.

168211611642504 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73787754 + ... + 76033254.

It is an arithmetic number, because the mean of its divisors is an integer number (6619021335360).

Almost surely, 2^{168211611642504} is an apocalyptic number.

It is an amenable number.

168211611642504 is an abundant number, since it is smaller than the sum of its proper divisors (255405753820536).

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

168211611642504 is a wasteful number, since it uses less digits than its factorization.

168211611642504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268430 (or 2268426 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 168211611642504 in words is "one hundred sixty-eight trillion, two hundred eleven billion, six hundred eleven million, six hundred forty-two thousand, five hundred four".