667443482620 has 24 divisors (see below), whose sum is σ = 1401656216688. Its totient is φ = 266972649600.

The previous prime is 667443482549. The next prime is 667443482633. The reversal of 667443482620 is 26284344766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 994440 + ... + 1524400.

It is an arithmetic number, because the mean of its divisors is an integer number (58402342362).

Almost surely, 2^667443482620 is an apocalyptic number.

It is an amenable number.

667443482620 is an abundant number, since it is smaller than the sum of its proper divisors (734212734068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667443482620 is a wasteful number, since it uses less digits than its factorization.

667443482620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592941 (or 592939 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 52.

The spelling of 667443482620 in words is "six hundred sixty-seven billion, four hundred forty-three million, four hundred eighty-two thousand, six hundred twenty".