5731661375 has 32 divisors (see below), whose sum is σ = 7913438208. Its totient is φ = 4109700000.

The previous prime is 5731661323. The next prime is 5731661431.

5731661375 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5731661375 - 2¹⁸ = 5731399231 is a prime.

It is a super-4 number, since 4×5731661375⁴ (a number of 40 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent 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, 68270 + ... + 126980.

It is an arithmetic number, because the mean of its divisors is an integer number (247294944).

Almost surely, 2^5731661375 is an apocalyptic number.

5731661375 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5731661375 is a deficient number, since it is larger than the sum of its proper divisors (2181776833).

5731661375 is a wasteful number, since it uses less digits than its factorization.

5731661375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58808 (or 58798 counting only the distinct ones).

The product of its digits is 396900, while the sum is 44.

The square root of 5731661375 is about 75707.7365597467. The cubic root of 5731661375 is about 1789.6173224579.

The spelling of 5731661375 in words is "five billion, seven hundred thirty-one million, six hundred sixty-one thousand, three hundred seventy-five".