6662681310 has 64 divisors (see below), whose sum is σ = 16997262912. Its totient is φ = 1665662976.

The previous prime is 6662681309. The next prime is 6662681323. The reversal of 6662681310 is 131862666.

It is a super-2 number, since 2×6662681310² = 88782644477246632200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105654 + ... + 156486.

It is an arithmetic number, because the mean of its divisors is an integer number (265582233).

Almost surely, 2^6662681310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6662681310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8498631456).

6662681310 is an abundant number, since it is smaller than the sum of its proper divisors (10334581602).

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

6662681310 is a wasteful number, since it uses less digits than its factorization.

6662681310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51117.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 6662681310 is about 81625.2492186088. The cubic root of 6662681310 is about 1881.6969465834.

The spelling of 6662681310 in words is "six billion, six hundred sixty-two million, six hundred eighty-one thousand, three hundred ten".