66352365460 has 24 divisors (see below), whose sum is σ = 139412208096. Its totient is φ = 26527186080.

The previous prime is 66352365437. The next prime is 66352365503. The reversal of 66352365460 is 6456325366.

It is a self number, because there is not a number n which added to its sum of digits gives 66352365460.

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, 820422 + ... + 897661.

It is an arithmetic number, because the mean of its divisors is an integer number (5808842004).

Almost surely, 2^66352365460 is an apocalyptic number.

It is an amenable number.

66352365460 is an abundant number, since it is smaller than the sum of its proper divisors (73059842636).

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

66352365460 is a wasteful number, since it uses less digits than its factorization.

66352365460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720023 (or 1720021 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 46.

The spelling of 66352365460 in words is "sixty-six billion, three hundred fifty-two million, three hundred sixty-five thousand, four hundred sixty".