5665206556 has 12 divisors (see below), whose sum is σ = 9914645160. Its totient is φ = 2832450800.

The previous prime is 5665206541. The next prime is 5665206571. The reversal of 5665206556 is 6556025665.

It is an interprime number because it is at equal distance from previous prime (5665206541) and next prime (5665206571).

It is a super-2 number, since 2×5665206556² = 64189130644290762272, which contains 22 as substring.

It is a congruent number.

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, 106110 + ... + 150298.

It is an arithmetic number, because the mean of its divisors is an integer number (826220430).

Almost surely, 2^5665206556 is an apocalyptic number.

It is an amenable number.

5665206556 is a deficient number, since it is larger than the sum of its proper divisors (4249438604).

5665206556 is a wasteful number, since it uses less digits than its factorization.

5665206556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76244 (or 76242 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 46.

The square root of 5665206556 is about 75267.5664280439. The cubic root of 5665206556 is about 1782.6739422691.

The spelling of 5665206556 in words is "five billion, six hundred sixty-five million, two hundred six thousand, five hundred fifty-six".