5831661385 has 32 divisors (see below), whose sum is σ = 8434720512. Its totient is φ = 3818158080.

The previous prime is 5831661371. The next prime is 5831661439.

5831661385 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5831661385 - 2⁹ = 5831660873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114084 + ... + 157093.

It is an arithmetic number, because the mean of its divisors is an integer number (263585016).

Almost surely, 2^5831661385 is an apocalyptic number.

5831661385 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5831661385 is a deficient number, since it is larger than the sum of its proper divisors (2603059127).

5831661385 is a wasteful number, since it uses less digits than its factorization.

5831661385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271233.

The product of its digits is 518400, while the sum is 46.

The square root of 5831661385 is about 76365.3153270515. The cubic root of 5831661385 is about 1799.9651623916.

The spelling of 5831661385 in words is "five billion, eight hundred thirty-one million, six hundred sixty-one thousand, three hundred eighty-five".