6620310413064 has 96 divisors (see below), whose sum is σ = 18062286180120. Its totient is φ = 2190492177408.

The previous prime is 6620310413053. The next prime is 6620310413069. The reversal of 6620310413064 is 4603140130266.

6620310413064 is a `hidden beast` number, since 6 + 620 + 3 + 10 + 4 + 13 + 0 + 6 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4081571684100 + 2538738728964 = 2020290^2 + 1593342^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6620310413069) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228800742 + ... + 228829674.

Almost surely, 2^{6620310413064} 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 6620310413064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9031143090060).

6620310413064 is an abundant number, since it is smaller than the sum of its proper divisors (11441975767056).

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

6620310413064 is a wasteful number, since it uses less digits than its factorization.

6620310413064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52279 (or 52272 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 6620310413064 in words is "six trillion, six hundred twenty billion, three hundred ten million, four hundred thirteen thousand, sixty-four".