3616534666 has 4 divisors (see below), whose sum is σ = 5424802002. Its totient is φ = 1808267332.

The previous prime is 3616534591. The next prime is 3616534673. The reversal of 3616534666 is 6664356163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6664356163 = 1031 ⋅6463973.

It can be written as a sum of positive squares in only one way, i.e., 3483478441 + 133056225 = 59021^2 + 11535^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 904133665 + ... + 904133668.

Almost surely, 2^3616534666 is an apocalyptic number.

3616534666 is a deficient number, since it is larger than the sum of its proper divisors (1808267336).

3616534666 is a wasteful number, since it uses less digits than its factorization.

3616534666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808267335.

The product of its digits is 1399680, while the sum is 46.

The square root of 3616534666 is about 60137.6310308279. The cubic root of 3616534666 is about 1534.9617020511.

The spelling of 3616534666 in words is "three billion, six hundred sixteen million, five hundred thirty-four thousand, six hundred sixty-six".