5665660870 has 16 divisors (see below), whose sum is σ = 10204725888. Its totient is φ = 2264811840.

The previous prime is 5665660841. The next prime is 5665660877. The reversal of 5665660870 is 780665665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665660877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165111 + ... + 196450.

It is an arithmetic number, because the mean of its divisors is an integer number (637795368).

Almost surely, 2^5665660870 is an apocalyptic number.

5665660870 is a deficient number, since it is larger than the sum of its proper divisors (4539065018).

5665660870 is a wasteful number, since it uses less digits than its factorization.

5665660870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363135.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The square root of 5665660870 is about 75270.5843606917. The cubic root of 5665660870 is about 1782.7215940816.

The spelling of 5665660870 in words is "five billion, six hundred sixty-five million, six hundred sixty thousand, eight hundred seventy".