666010145524640 has 48 divisors (see below), whose sum is σ = 1798227392919552. Its totient is φ = 228346335608064.

The previous prime is 666010145524609. The next prime is 666010145524673. The reversal of 666010145524640 is 46425541010666.

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, 297325956704 + ... + 297325958943.

It is an arithmetic number, because the mean of its divisors is an integer number (37463070685824).

Almost surely, 2^{666010145524640} is an apocalyptic number.

It is an amenable number.

666010145524640 is an abundant number, since it is smaller than the sum of its proper divisors (1132217247394912).

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

666010145524640 is a wasteful number, since it uses less digits than its factorization.

666010145524640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594651915669 (or 594651915661 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 666010145524640 in words is "six hundred sixty-six trillion, ten billion, one hundred forty-five million, five hundred twenty-four thousand, six hundred forty".