66460530606 has 32 divisors (see below), whose sum is σ = 135093173760. Its totient is φ = 21792414336.

The previous prime is 66460530599. The next prime is 66460530607. The reversal of 66460530606 is 60603506466.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66460530607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174070 + ... + 404006.

It is an arithmetic number, because the mean of its divisors is an integer number (4221661680).

Almost surely, 2^66460530606 is an apocalyptic number.

66460530606 is an abundant number, since it is smaller than the sum of its proper divisors (68632643154).

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

66460530606 is a wasteful number, since it uses less digits than its factorization.

66460530606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230728.

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 66460530606 in words is "sixty-six billion, four hundred sixty million, five hundred thirty thousand, six hundred six".