66374205460 has 48 divisors (see below), whose sum is σ = 148993592832. Its totient is φ = 24775942400.

The previous prime is 66374205449. The next prime is 66374205467. The reversal of 66374205460 is 6450247366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66374205467) 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, 1740796 + ... + 1778515.

It is an arithmetic number, because the mean of its divisors is an integer number (3104033184).

Almost surely, 2^66374205460 is an apocalyptic number.

It is an amenable number.

66374205460 is an abundant number, since it is smaller than the sum of its proper divisors (82619387372).

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

66374205460 is a wasteful number, since it uses less digits than its factorization.

66374205460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519384 (or 3519382 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 66374205460 in words is "sixty-six billion, three hundred seventy-four million, two hundred five thousand, four hundred sixty".