566361381 has 8 divisors (see below), whose sum is σ = 755410720. Its totient is φ = 377443152.

The previous prime is 566361371. The next prime is 566361403. The reversal of 566361381 is 183163665.

566361381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 566361381 - 2⁶ = 566361317 is a prime.

It is a super-2 number, since 2×566361381² = 641530427776454322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566361371) 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, 22210 + ... + 40323.

It is an arithmetic number, because the mean of its divisors is an integer number (94426340).

Almost surely, 2^566361381 is an apocalyptic number.

It is an amenable number.

566361381 is a deficient number, since it is larger than the sum of its proper divisors (189049339).

566361381 is a wasteful number, since it uses less digits than its factorization.

566361381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65555.

The product of its digits is 77760, while the sum is 39.

The square root of 566361381 is about 23798.3482830217. The cubic root of 566361381 is about 827.3663951901.

The spelling of 566361381 in words is "five hundred sixty-six million, three hundred sixty-one thousand, three hundred eighty-one".