660159747135 has 80 divisors (see below), whose sum is σ = 1355280537600. Its totient is φ = 301156657344.

The previous prime is 660159747101. The next prime is 660159747139. The reversal of 660159747135 is 531747951066.

660159747135 is a `hidden beast` number, since 6 + 6 + 0 + 1 + 597 + 47 + 1 + 3 + 5 = 666.

It is not a de Polignac number, because 660159747135 - 2¹¹ = 660159745087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660159747139) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1114896 + ... + 1601034.

It is an arithmetic number, because the mean of its divisors is an integer number (16941006720).

Almost surely, 2^660159747135 is an apocalyptic number.

660159747135 is an abundant number, since it is smaller than the sum of its proper divisors (695120790465).

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

660159747135 is a wasteful number, since it uses less digits than its factorization.

660159747135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486642 (or 486633 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 54.

The spelling of 660159747135 in words is "six hundred sixty billion, one hundred fifty-nine million, seven hundred forty-seven thousand, one hundred thirty-five".