65668464606 has 16 divisors (see below), whose sum is σ = 135865789200. Its totient is φ = 21134678208.

The previous prime is 65668464581. The next prime is 65668464619. The reversal of 65668464606 is 60646486656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188702311 + ... + 188702658.

It is an arithmetic number, because the mean of its divisors is an integer number (8491611825).

Almost surely, 2^65668464606 is an apocalyptic number.

65668464606 is an abundant number, since it is smaller than the sum of its proper divisors (70197324594).

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

65668464606 is a wasteful number, since it uses less digits than its factorization.

65668464606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377405003.

The product of its (nonzero) digits is 29859840, while the sum is 57.

The spelling of 65668464606 in words is "sixty-five billion, six hundred sixty-eight million, four hundred sixty-four thousand, six hundred six".