7064903873664 has 512 divisors, whose sum is σ = 26147383718400. Its totient is φ = 1828110974976.

The previous prime is 7064903873663. The next prime is 7064903873681. The reversal of 7064903873664 is 4663783094607.

7064903873664 is a `hidden beast` number, since 7 + 0 + 6 + 490 + 3 + 87 + 3 + 6 + 64 = 666.

It is a super-2 number, since 2×7064903873664² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (7064903873663) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16456362 + ... + 16880214.

It is an arithmetic number, because the mean of its divisors is an integer number (51069108825).

Almost surely, 2^{7064903873664} 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 7064903873664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13073691859200).

7064903873664 is an abundant number, since it is smaller than the sum of its proper divisors (19082479844736).

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

7064903873664 is a wasteful number, since it uses less digits than its factorization.

7064903873664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423949 (or 423931 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 63.

The spelling of 7064903873664 in words is "seven trillion, sixty-four billion, nine hundred three million, eight hundred seventy-three thousand, six hundred sixty-four".