3655566466 has 8 divisors (see below), whose sum is σ = 5515045884. Its totient is φ = 1817217840.

The previous prime is 3655566443. The next prime is 3655566529. The reversal of 3655566466 is 6646655563.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2891320441 + 764246025 = 53771^2 + 27645^2 .

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

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, 5282265 + ... + 5282956.

Almost surely, 2^3655566466 is an apocalyptic number.

3655566466 is a deficient number, since it is larger than the sum of its proper divisors (1859479418).

3655566466 is a wasteful number, since it uses less digits than its factorization.

3655566466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10565396.

The product of its digits is 11664000, while the sum is 52.

The square root of 3655566466 is about 60461.2807174972. The cubic root of 3655566466 is about 1540.4640286599.

The spelling of 3655566466 in words is "three billion, six hundred fifty-five million, five hundred sixty-six thousand, four hundred sixty-six".