4168381738664 has 32 divisors (see below), whose sum is σ = 9182099636640. Its totient is φ = 1748971358400.

The previous prime is 4168381738613. The next prime is 4168381738691. The reversal of 4168381738664 is 4668371838614.

It is a self number, because there is not a number n which added to its sum of digits gives 4168381738664.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1821844022 + ... + 1821846309.

It is an arithmetic number, because the mean of its divisors is an integer number (286940613645).

Almost surely, 2^{4168381738664} is an apocalyptic number.

4168381738664 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4168381738664 is an abundant number, since it is smaller than the sum of its proper divisors (5013717897976).

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

4168381738664 is a wasteful number, since it uses less digits than its factorization.

4168381738664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643690361 (or 3643690357 counting only the distinct ones).

The product of its digits is 111476736, while the sum is 65.

The spelling of 4168381738664 in words is "four trillion, one hundred sixty-eight billion, three hundred eighty-one million, seven hundred thirty-eight thousand, six hundred sixty-four".