70641762287616 has 480 divisors, whose sum is σ = 233175791419200. Its totient is φ = 20986362593280.

The previous prime is 70641762287611. The next prime is 70641762287647. The reversal of 70641762287616 is 61678226714607.

70641762287616 is a `hidden beast` number, since 7 + 0 + 6 + 4 + 1 + 7 + 6 + 2 + 2 + 8 + 7 + 616 = 666.

It is a super-2 number, since 2×70641762287616² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70641762287611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166560946 + ... + 166984526.

It is an arithmetic number, because the mean of its divisors is an integer number (485782898790).

Almost surely, 2^{70641762287616} 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 70641762287616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116587895709600).

70641762287616 is an abundant number, since it is smaller than the sum of its proper divisors (162534029131584).

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

70641762287616 is a wasteful number, since it uses less digits than its factorization.

70641762287616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423660 (or 423628 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 63.

The spelling of 70641762287616 in words is "seventy trillion, six hundred forty-one billion, seven hundred sixty-two million, two hundred eighty-seven thousand, six hundred sixteen".