3541665589632 has 128 divisors (see below), whose sum is σ = 10707780031200. Its totient is φ = 1151761121280.

The previous prime is 3541665589619. The next prime is 3541665589661. The reversal of 3541665589632 is 2369855661453.

It is a happy number.

3541665589632 is a `hidden beast` number, since 3 + 5 + 4 + 16 + 6 + 5 + 589 + 6 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 3541665589632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12355713 + ... + 12639104.

Almost surely, 2^{3541665589632} is an apocalyptic number.

3541665589632 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3541665589632 is an abundant number, since it is smaller than the sum of its proper divisors (7166114441568).

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

3541665589632 is a wasteful number, since it uses less digits than its factorization.

3541665589632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24994881 (or 24994863 counting only the distinct ones).

The product of its digits is 139968000, while the sum is 63.

The spelling of 3541665589632 in words is "three trillion, five hundred forty-one billion, six hundred sixty-five million, five hundred eighty-nine thousand, six hundred thirty-two".