9644155094016 has 495 divisors, whose sum is σ = 29631553484533. Its totient is φ = 3124385464320.

The previous prime is 9644155093997. The next prime is 9644155094033. The reversal of 9644155094016 is 6104905514469.

The square root of 9644155094016 is 3105504.

It is a perfect power (a square), and thus also a powerful number.

9644155094016 is a `hidden beast` number, since 9 + 6 + 4 + 41 + 550 + 9 + 40 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 464709436416 + 9179445657600 = 681696^2 + 3029760^2 .

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 36669791101 + ... + 36669791363.

Almost surely, 2^{9644155094016} is an apocalyptic number.

9644155094016 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

9644155094016 is the 3105504-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9644155094016

9644155094016 is an abundant number, since it is smaller than the sum of its proper divisors (19987398390517).

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

9644155094016 is an frugal number, since it uses more digits than its factorization.

9644155094016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 9644155094016 in words is "nine trillion, six hundred forty-four billion, one hundred fifty-five million, ninety-four thousand, sixteen".