566733381 has 8 divisors (see below), whose sum is σ = 757786560. Its totient is φ = 376751232.

The previous prime is 566733367. The next prime is 566733397. The reversal of 566733381 is 183337665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 566733381 - 2²¹ = 564636229 is a prime.

It is a super-2 number, since 2×566733381² = 642373450279382322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566733331) 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, 266521 + ... + 268638.

It is an arithmetic number, because the mean of its divisors is an integer number (94723320).

Almost surely, 2^566733381 is an apocalyptic number.

It is an amenable number.

566733381 is a deficient number, since it is larger than the sum of its proper divisors (191053179).

566733381 is a wasteful number, since it uses less digits than its factorization.

566733381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535515.

The product of its digits is 272160, while the sum is 42.

The square root of 566733381 is about 23806.1626685193. The cubic root of 566733381 is about 827.5475003690.

The spelling of 566733381 in words is "five hundred sixty-six million, seven hundred thirty-three thousand, three hundred eighty-one".