66062665404 has 36 divisors (see below), whose sum is σ = 167012110720. Its totient is φ = 22018201920.

The previous prime is 66062665393. The next prime is 66062665439. The reversal of 66062665404 is 40456626066.

66062665404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 66062665404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199077 + ... + 414435.

Almost surely, 2^66062665404 is an apocalyptic number.

It is an amenable number.

66062665404 is an abundant number, since it is smaller than the sum of its proper divisors (100949445316).

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

66062665404 is a wasteful number, since it uses less digits than its factorization.

66062665404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223890 (or 223885 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 66062665404 in words is "sixty-six billion, sixty-two million, six hundred sixty-five thousand, four hundred four".