207660281328 has 120 divisors (see below), whose sum is σ = 593457516288. Its totient is φ = 67768119936.

The previous prime is 207660281317. The next prime is 207660281333. The reversal of 207660281328 is 823182066702.

207660281328 is a `hidden beast` number, since 2 + 0 + 7 + 6 + 602 + 8 + 1 + 32 + 8 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1506601 + ... + 1638647.

Almost surely, 2^207660281328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 207660281328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296728758144).

207660281328 is an abundant number, since it is smaller than the sum of its proper divisors (385797234960).

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

207660281328 is a wasteful number, since it uses less digits than its factorization.

207660281328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132291 (or 132282 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 207660281328 in words is "two hundred seven billion, six hundred sixty million, two hundred eighty-one thousand, three hundred twenty-eight".