660040482816 has 1280 divisors, whose sum is σ = 2429924555520. Its totient is φ = 175814737920.

The previous prime is 660040482809. The next prime is 660040482823. The reversal of 660040482816 is 618284040066.

660040482816 is a `hidden beast` number, since 6 + 600 + 4 + 0 + 4 + 8 + 28 + 16 = 666.

It is an interprime number because it is at equal distance from previous prime (660040482809) and next prime (660040482823).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 14043414505 + ... + 14043414551.

It is an arithmetic number, because the mean of its divisors is an integer number (1898378559).

Almost surely, 2^660040482816 is an apocalyptic number.

660040482816 is a gapful number since it is divisible by the number (66) 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 660040482816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1214962277760).

660040482816 is an abundant number, since it is smaller than the sum of its proper divisors (1769884072704).

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

660040482816 is a wasteful number, since it uses less digits than its factorization.

660040482816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 660040482816 in words is "six hundred sixty billion, forty million, four hundred eighty-two thousand, eight hundred sixteen".