5523211665 has 64 divisors (see below), whose sum is σ = 9996652800. Its totient is φ = 2892713472.

The previous prime is 5523211657. The next prime is 5523211691. The reversal of 5523211665 is 5661123255.

5523211665 is a `hidden beast` number, since 552 + 32 + 1 + 16 + 65 = 666.

It is not a de Polignac number, because 5523211665 - 2³ = 5523211657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3698659 + ... + 3700151.

It is an arithmetic number, because the mean of its divisors is an integer number (156197700).

Almost surely, 2^5523211665 is an apocalyptic number.

It is an amenable number.

5523211665 is a deficient number, since it is larger than the sum of its proper divisors (4473441135).

5523211665 is a wasteful number, since it uses less digits than its factorization.

5523211665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983 (or 1977 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 5523211665 is about 74318.3131199841. The cubic root of 5523211665 is about 1767.6538723442.

The spelling of 5523211665 in words is "five billion, five hundred twenty-three million, two hundred eleven thousand, six hundred sixty-five".