667522553572006 has 128 divisors (see below), whose sum is σ = 1215586281369600. Its totient is φ = 271339619506560.

The previous prime is 667522553571997. The next prime is 667522553572009. The reversal of 667522553572006 is 600275355225766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667522553572009) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 723290380 + ... + 724212688.

It is an arithmetic number, because the mean of its divisors is an integer number (9496767823200).

Almost surely, 2^{667522553572006} is an apocalyptic number.

667522553572006 is a deficient number, since it is larger than the sum of its proper divisors (548063727797594).

667522553572006 is a wasteful number, since it uses less digits than its factorization.

667522553572006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923354.

The product of its (nonzero) digits is 158760000, while the sum is 61.

The spelling of 667522553572006 in words is "six hundred sixty-seven trillion, five hundred twenty-two billion, five hundred fifty-three million, five hundred seventy-two thousand, six".