5652607666 has 4 divisors (see below), whose sum is σ = 8478911502. Its totient is φ = 2826303832.

The previous prime is 5652607637. The next prime is 5652607679. The reversal of 5652607666 is 6667062565.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5130713641 + 521894025 = 71629^2 + 22845^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1413151915 + ... + 1413151918.

Almost surely, 2^5652607666 is an apocalyptic number.

5652607666 is a deficient number, since it is larger than the sum of its proper divisors (2826303836).

5652607666 is a wasteful number, since it uses less digits than its factorization.

5652607666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826303835.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The square root of 5652607666 is about 75183.8258271019. The cubic root of 5652607666 is about 1781.3514613370.

The spelling of 5652607666 in words is "five billion, six hundred fifty-two million, six hundred seven thousand, six hundred sixty-six".