667762605325 has 12 divisors (see below), whose sum is σ = 832983873120. Its totient is φ = 531011218160.

The previous prime is 667762605317. The next prime is 667762605401. The reversal of 667762605325 is 523506267766.

It is not a de Polignac number, because 667762605325 - 2³ = 667762605317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79967395 + ... + 79975744.

It is an arithmetic number, because the mean of its divisors is an integer number (69415322760).

Almost surely, 2^667762605325 is an apocalyptic number.

It is an amenable number.

667762605325 is a deficient number, since it is larger than the sum of its proper divisors (165221267795).

667762605325 is a wasteful number, since it uses less digits than its factorization.

667762605325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159943316 (or 159943311 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 55.

The spelling of 667762605325 in words is "six hundred sixty-seven billion, seven hundred sixty-two million, six hundred five thousand, three hundred twenty-five".