66664467010 has 32 divisors (see below), whose sum is σ = 123609628800. Its totient is φ = 25870035840.

The previous prime is 66664466989. The next prime is 66664467041. The reversal of 66664467010 is 1076446666.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380790 + ... + 527569.

It is an arithmetic number, because the mean of its divisors is an integer number (3862800900).

Almost surely, 2^66664467010 is an apocalyptic number.

66664467010 is a deficient number, since it is larger than the sum of its proper divisors (56945161790).

66664467010 is a wasteful number, since it uses less digits than its factorization.

66664467010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908586.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 66664467010 in words is "sixty-six billion, six hundred sixty-four million, four hundred sixty-seven thousand, ten".