3557655566 has 8 divisors (see below), whose sum is σ = 5350564920. Its totient is φ = 1774133928.

The previous prime is 3557655557. The next prime is 3557655631. The reversal of 3557655566 is 6655567553.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 2345981 + ... + 2347496.

It is an arithmetic number, because the mean of its divisors is an integer number (668820615).

Almost surely, 2^3557655566 is an apocalyptic number.

3557655566 is a deficient number, since it is larger than the sum of its proper divisors (1792909354).

3557655566 is a wasteful number, since it uses less digits than its factorization.

3557655566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4693858.

The product of its digits is 14175000, while the sum is 53.

The square root of 3557655566 is about 59646.0859235541. The cubic root of 3557655566 is about 1526.5860865813.

The spelling of 3557655566 in words is "three billion, five hundred fifty-seven million, six hundred fifty-five thousand, five hundred sixty-six".