3556642635546 has 64 divisors (see below), whose sum is σ = 9550704715776. Its totient is φ = 852741489600.

The previous prime is 3556642635517. The next prime is 3556642635551. The reversal of 3556642635546 is 6455362466553.

It is a self number, because there is not a number n which added to its sum of digits gives 3556642635546.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296084790 + ... + 296096801.

It is an arithmetic number, because the mean of its divisors is an integer number (149229761184).

Almost surely, 2^{3556642635546} is an apocalyptic number.

3556642635546 is an abundant number, since it is smaller than the sum of its proper divisors (5994062080230).

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

3556642635546 is a wasteful number, since it uses less digits than its factorization.

3556642635546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592181627.

The product of its digits is 233280000, while the sum is 60.

The spelling of 3556642635546 in words is "three trillion, five hundred fifty-six billion, six hundred forty-two million, six hundred thirty-five thousand, five hundred forty-six".