666016537374112 has 48 divisors (see below), whose sum is σ = 1325994156393480. Its totient is φ = 329256349728768.

The previous prime is 666016537374073. The next prime is 666016537374151. The reversal of 666016537374112 is 211473735610666.

It is an interprime number because it is at equal distance from previous prime (666016537374073) and next prime (666016537374151).

It can be written as a sum of positive squares in 4 ways, for example, as 386462283918736 + 279554253455376 = 19658644^2 + 16719876^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88243078 + ... + 95492794.

Almost surely, 2^{666016537374112} is an apocalyptic number.

It is an amenable number.

666016537374112 is a deficient number, since it is larger than the sum of its proper divisors (659977619019368).

666016537374112 is a wasteful number, since it uses less digits than its factorization.

666016537374112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7282073 (or 7282065 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 58.

The spelling of 666016537374112 in words is "six hundred sixty-six trillion, sixteen billion, five hundred thirty-seven million, three hundred seventy-four thousand, one hundred twelve".