660105024880 has 240 divisors, whose sum is σ = 1860165513216. Its totient is φ = 216969822720.

The previous prime is 660105024869. The next prime is 660105024881. The reversal of 660105024880 is 88420501066.

It is a super-3 number, since 3×660105024880³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660105024881) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 12977257 + ... + 13028023.

Almost surely, 2^660105024880 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 660105024880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (930082756608).

660105024880 is an abundant number, since it is smaller than the sum of its proper divisors (1200060488336).

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

660105024880 is a wasteful number, since it uses less digits than its factorization.

660105024880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50932 (or 50919 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 660105024880 in words is "six hundred sixty billion, one hundred five million, twenty-four thousand, eight hundred eighty".