5660906651 has 4 divisors (see below), whose sum is σ = 5661488304. Its totient is φ = 5660325000.

The previous prime is 5660906639. The next prime is 5660906701. The reversal of 5660906651 is 1566090665.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5660906651 is a prime.

It is a super-2 number, since 2×5660906651² = 64091728222672071602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5660906051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275975 + ... + 295776.

It is an arithmetic number, because the mean of its divisors is an integer number (1415372076).

Almost surely, 2^5660906651 is an apocalyptic number.

5660906651 is a deficient number, since it is larger than the sum of its proper divisors (581653).

5660906651 is an equidigital number, since it uses as much as digits as its factorization.

5660906651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581652.

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 5660906651 is about 75238.9968766198. The cubic root of 5660906651 is about 1782.2228102186. Note that the first 3 decimals are identical.

The spelling of 5660906651 in words is "five billion, six hundred sixty million, nine hundred six thousand, six hundred fifty-one".