3551684887360 has 56 divisors (see below), whose sum is σ = 8459696461320. Its totient is φ = 1420296536064.

The previous prime is 3551684887307. The next prime is 3551684887363. The reversal of 3551684887360 is 637884861553.

It can be written as a sum of positive squares in 4 ways, for example, as 777754665216 + 2773930222144 = 881904^2 + 1665512^2 .

It is a super-2 number, since 2×3551684887360² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a junction number, because it is equal to n+sod(n) for n = 3551684887292 and 3551684887301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3551684887363) 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 7 ways as a sum of consecutive naturals, for example, 266329 + ... + 2678488.

Almost surely, 2^{3551684887360} is an apocalyptic number.

It is an amenable number.

3551684887360 is an abundant number, since it is smaller than the sum of its proper divisors (4908011573960).

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

3551684887360 is a wasteful number, since it uses less digits than its factorization.

3551684887360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948603 (or 2948593 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 64.

The spelling of 3551684887360 in words is "three trillion, five hundred fifty-one billion, six hundred eighty-four million, eight hundred eighty-seven thousand, three hundred sixty".