566355420 has 72 divisors (see below), whose sum is σ = 1808373840. Its totient is φ = 143078400.

The previous prime is 566355409. The next prime is 566355431. The reversal of 566355420 is 24553665.

It is a happy number.

566355420 is a `hidden beast` number, since 56 + 63 + 5 + 542 + 0 = 666.

566355420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (566355409) and next prime (566355431).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79381 + ... + 86220.

Almost surely, 2^566355420 is an apocalyptic number.

It is an amenable number.

566355420 is an abundant number, since it is smaller than the sum of its proper divisors (1242018420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

566355420 is a wasteful number, since it uses less digits than its factorization.

566355420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165635 (or 165630 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 566355420 is about 23798.2230429081. The cubic root of 566355420 is about 827.3634924802.

The spelling of 566355420 in words is "five hundred sixty-six million, three hundred fifty-five thousand, four hundred twenty".