4245320561016 has 128 divisors (see below), whose sum is σ = 11348776224000. Its totient is φ = 1319437734912.

The previous prime is 4245320560993. The next prime is 4245320561039. The reversal of 4245320561016 is 6101650235424.

It is an interprime number because it is at equal distance from previous prime (4245320560993) and next prime (4245320561039).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 34431670 + ... + 34554746.

It is an arithmetic number, because the mean of its divisors is an integer number (88662314250).

Almost surely, 2^{4245320561016} 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 4245320561016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5674388112000).

4245320561016 is an abundant number, since it is smaller than the sum of its proper divisors (7103455662984).

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

4245320561016 is a wasteful number, since it uses less digits than its factorization.

4245320561016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124301 (or 124297 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 4245320561016 in words is "four trillion, two hundred forty-five billion, three hundred twenty million, five hundred sixty-one thousand, sixteen".