4378362751664 has 80 divisors (see below), whose sum is σ = 9297097224480. Its totient is φ = 1980967495680.

The previous prime is 4378362751661. The next prime is 4378362751667. The reversal of 4378362751664 is 4661572638734.

It is an interprime number because it is at equal distance from previous prime (4378362751661) and next prime (4378362751667).

It is a junction number, because it is equal to n+sod(n) for n = 4378362751597 and 4378362751606.

It is not an unprimeable number, because it can be changed into a prime (4378362751661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52841852 + ... + 52924644.

It is an arithmetic number, because the mean of its divisors is an integer number (116213715306).

Almost surely, 2^{4378362751664} is an apocalyptic number.

4378362751664 is a gapful number since it is divisible by the number (44) 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 4378362751664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4648548612240).

4378362751664 is an abundant number, since it is smaller than the sum of its proper divisors (4918734472816).

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

4378362751664 is a wasteful number, since it uses less digits than its factorization.

4378362751664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84198 (or 84192 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 62.

The spelling of 4378362751664 in words is "four trillion, three hundred seventy-eight billion, three hundred sixty-two million, seven hundred fifty-one thousand, six hundred sixty-four".