660288079080 has 960 divisors, whose sum is σ = 2745240498000. Its totient is φ = 141436108800.

The previous prime is 660288079069. The next prime is 660288079117. The reversal of 660288079080 is 80970882066.

It can be written as a sum of positive squares in 8 ways, for example, as 567542249316 + 92745829764 = 753354^2 + 304542^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 941922730 + ... + 941923430.

Almost surely, 2^660288079080 is an apocalyptic number.

660288079080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 660288079080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1372620249000).

660288079080 is an abundant number, since it is smaller than the sum of its proper divisors (2084952418920).

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

660288079080 is a wasteful number, since it uses less digits than its factorization.

660288079080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104 (or 1084 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 660288079080 in words is "six hundred sixty billion, two hundred eighty-eight million, seventy-nine thousand, eighty".