667513750051245 has 16 divisors (see below), whose sum is σ = 1078391145716352. Its totient is φ = 352550951482560.

The previous prime is 667513750051007. The next prime is 667513750051259. The reversal of 667513750051245 is 542150057315766.

It is a happy number.

It is not a de Polignac number, because 667513750051245 - 2⁴³ = 658717657029037 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 216023865786 + ... + 216023868875.

It is an arithmetic number, because the mean of its divisors is an integer number (67399446607272).

Almost surely, 2^{667513750051245} is an apocalyptic number.

It is an amenable number.

667513750051245 is a deficient number, since it is larger than the sum of its proper divisors (410877395665107).

667513750051245 is a wasteful number, since it uses less digits than its factorization.

667513750051245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432047734772.

The product of its (nonzero) digits is 26460000, while the sum is 57.

The spelling of 667513750051245 in words is "six hundred sixty-seven trillion, five hundred thirteen billion, seven hundred fifty million, fifty-one thousand, two hundred forty-five".