4245668130816 has 936 divisors, whose sum is σ = 14895503086464. Its totient is φ = 1204784824320.

The previous prime is 4245668130757. The next prime is 4245668130817. The reversal of 4245668130816 is 6180318665424.

4245668130816 is a `hidden beast` number, since 4 + 2 + 456 + 6 + 81 + 30 + 81 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4245668130817) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12826791771 + ... + 12826792101.

It is an arithmetic number, because the mean of its divisors is an integer number (15913999024).

Almost surely, 2^{4245668130816} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4245668130816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7447751543232).

4245668130816 is an abundant number, since it is smaller than the sum of its proper divisors (10649834955648).

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

4245668130816 is an equidigital number, since it uses as much as digits as its factorization.

4245668130816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 4245668130816 in words is "four trillion, two hundred forty-five billion, six hundred sixty-eight million, one hundred thirty thousand, eight hundred sixteen".