670616794349568 has 2400 divisors, whose sum is σ = 2343337199486976. Its totient is φ = 190768545792000.

The previous prime is 670616794349527. The next prime is 670616794349569. The reversal of 670616794349568 is 865943497616076.

670616794349568 is a `hidden beast` number, since 6 + 7 + 0 + 6 + 1 + 6 + 7 + 9 + 4 + 3 + 49 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is not an unprimeable number, because it can be changed into a prime (670616794349569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2026032611163 + ... + 2026032611493.

Almost surely, 2^{670616794349568} 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 670616794349568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1171668599743488).

670616794349568 is an abundant number, since it is smaller than the sum of its proper divisors (1672720405137408).

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

670616794349568 is an equidigital number, since it uses as much as digits as its factorization.

670616794349568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 9876142080, while the sum is 81.

The spelling of 670616794349568 in words is "six hundred seventy trillion, six hundred sixteen billion, seven hundred ninety-four million, three hundred forty-nine thousand, five hundred sixty-eight".