2660734400016 has 960 divisors, whose sum is σ = 9206506745856. Its totient is φ = 648172800000.

The previous prime is 2660734399987. The next prime is 2660734400021. The reversal of 2660734400016 is 6100044370662.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 17620757541 + ... + 17620757691.

Almost surely, 2^{2660734400016} 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 2660734400016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4603253372928).

2660734400016 is an abundant number, since it is smaller than the sum of its proper divisors (6545772345840).

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

2660734400016 is a wasteful number, since it uses less digits than its factorization.

2660734400016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

Adding to 2660734400016 its reverse (6100044370662), we get a palindrome (8760778770678).

The spelling of 2660734400016 in words is "two trillion, six hundred sixty billion, seven hundred thirty-four million, four hundred thousand, sixteen".