667328000544 has 96 divisors (see below), whose sum is σ = 1947029474880. Its totient is φ = 222367680000.

The previous prime is 667328000489. The next prime is 667328000569. The reversal of 667328000544 is 445000823766.

667328000544 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 667328000544.

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, 2464179 + ... + 2721549.

It is an arithmetic number, because the mean of its divisors is an integer number (20281557030).

Almost surely, 2^667328000544 is an apocalyptic number.

It is an amenable number.

667328000544 is an abundant number, since it is smaller than the sum of its proper divisors (1279701474336).

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

667328000544 is a wasteful number, since it uses less digits than its factorization.

667328000544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260391 (or 260377 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 667328000544 in words is "six hundred sixty-seven billion, three hundred twenty-eight million, five hundred forty-four", and thus it is an aban number.