3668553522 has 24 divisors (see below), whose sum is σ = 8416094076. Its totient is φ = 1150918656.

The previous prime is 3668553467. The next prime is 3668553527. The reversal of 3668553522 is 2253558663.

3668553522 is a `hidden beast` number, since 36 + 6 + 85 + 535 + 2 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3313268721 + 355284801 = 57561^2 + 18849^2 .

It is not an unprimeable number, because it can be changed into a prime (3668553527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5994063 + ... + 5994674.

Almost surely, 2^3668553522 is an apocalyptic number.

3668553522 is an abundant number, since it is smaller than the sum of its proper divisors (4747540554).

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

3668553522 is a wasteful number, since it uses less digits than its factorization.

3668553522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11988762 (or 11988759 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The square root of 3668553522 is about 60568.5852732256. The cubic root of 3668553522 is about 1542.2861308975.

The spelling of 3668553522 in words is "three billion, six hundred sixty-eight million, five hundred fifty-three thousand, five hundred twenty-two".