5821131466 has 8 divisors (see below), whose sum is σ = 9245326500. Its totient is φ = 2739355968.

The previous prime is 5821131461. The next prime is 5821131473. The reversal of 5821131466 is 6641311285.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4553415441 + 1267716025 = 67479^2 + 35605^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5821131461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85604841 + ... + 85604908.

Almost surely, 2^5821131466 is an apocalyptic number.

5821131466 is a deficient number, since it is larger than the sum of its proper divisors (3424195034).

5821131466 is a wasteful number, since it uses less digits than its factorization.

5821131466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171209768.

The product of its digits is 34560, while the sum is 37.

The square root of 5821131466 is about 76296.3397942523. The cubic root of 5821131466 is about 1798.8811427424.

The spelling of 5821131466 in words is "five billion, eight hundred twenty-one million, one hundred thirty-one thousand, four hundred sixty-six".