3546405664 has 24 divisors (see below), whose sum is σ = 6993797580. Its totient is φ = 1770203136.

The previous prime is 3546405631. The next prime is 3546405671. The reversal of 3546405664 is 4665046453.

It can be written as a sum of positive squares in 2 ways, for example, as 3384912400 + 161493264 = 58180^2 + 12708^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3546405664.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74469 + ... + 112420.

Almost surely, 2^3546405664 is an apocalyptic number.

It is an amenable number.

3546405664 is a deficient number, since it is larger than the sum of its proper divisors (3447391916).

3546405664 is a wasteful number, since it uses less digits than its factorization.

3546405664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187492 (or 187484 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The square root of 3546405664 is about 59551.7058026048. The cubic root of 3546405664 is about 1524.9752806528.

The spelling of 3546405664 in words is "three billion, five hundred forty-six million, four hundred five thousand, six hundred sixty-four".