3556775331648 has 336 divisors, whose sum is σ = 12761146944000. Its totient is φ = 920154240000.

The previous prime is 3556775331631. The next prime is 3556775331653. The reversal of 3556775331648 is 8461335776553.

3556775331648 is a `hidden beast` number, since 3 + 5 + 56 + 7 + 7 + 533 + 1 + 6 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10972603 + ... + 11292101.

It is an arithmetic number, because the mean of its divisors is an integer number (37979604000).

Almost surely, 2^{3556775331648} 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 3556775331648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6380573472000).

3556775331648 is an abundant number, since it is smaller than the sum of its proper divisors (9204371612352).

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

3556775331648 is a wasteful number, since it uses less digits than its factorization.

3556775331648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319786 (or 319773 counting only the distinct ones).

The product of its digits is 190512000, while the sum is 63.

The spelling of 3556775331648 in words is "three trillion, five hundred fifty-six billion, seven hundred seventy-five million, three hundred thirty-one thousand, six hundred forty-eight".