667212425332 has 48 divisors (see below), whose sum is σ = 1243545408000. Its totient is φ = 312556527360.

The previous prime is 667212425251. The next prime is 667212425371. The reversal of 667212425332 is 233524212766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1092544 + ... + 1589992.

It is an arithmetic number, because the mean of its divisors is an integer number (25907196000).

Almost surely, 2^667212425332 is an apocalyptic number.

It is an amenable number.

667212425332 is a deficient number, since it is larger than the sum of its proper divisors (576332982668).

667212425332 is a wasteful number, since it uses less digits than its factorization.

667212425332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497776 (or 497774 counting only the distinct ones).

The product of its digits is 725760, while the sum is 43.

The spelling of 667212425332 in words is "six hundred sixty-seven billion, two hundred twelve million, four hundred twenty-five thousand, three hundred thirty-two".