6660001010 has 48 divisors (see below), whose sum is σ = 12998703744. Its totient is φ = 2455742016.

The previous prime is 6660000979. The next prime is 6660001013. The reversal of 6660001010 is 101000666.

It is a super-2 number, since 2×6660001010² = 88711226906402040200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6660001013) 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 23 ways as a sum of consecutive naturals, for example, 1490039 + ... + 1494501.

It is an arithmetic number, because the mean of its divisors is an integer number (270806328).

Almost surely, 2^6660001010 is an apocalyptic number.

6660001010 is a deficient number, since it is larger than the sum of its proper divisors (6338702734).

6660001010 is a wasteful number, since it uses less digits than its factorization.

6660001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5379 (or 5366 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 6660001010 is about 81608.8292404688. The cubic root of 6660001010 is about 1881.4445862821. Note that the first 3 decimals are identical.

Adding to 6660001010 its reverse (101000666), we get a palindrome (6761001676).

The spelling of 6660001010 in words is "six billion, six hundred sixty million, one thousand, ten".