5857045661 has 4 divisors (see below), whose sum is σ = 5857681500. Its totient is φ = 5856409824.

The previous prime is 5857045627. The next prime is 5857045673. The reversal of 5857045661 is 1665407585.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3327559225 + 2529486436 = 57685^2 + 50294^2 .

It is a cyclic number.

It is not a de Polignac number, because 5857045661 - 2²² = 5852851357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5857045861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303896 + ... + 322593.

It is an arithmetic number, because the mean of its divisors is an integer number (1464420375).

Almost surely, 2^5857045661 is an apocalyptic number.

It is an amenable number.

5857045661 is a deficient number, since it is larger than the sum of its proper divisors (635839).

5857045661 is an equidigital number, since it uses as much as digits as its factorization.

5857045661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635838.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The square root of 5857045661 is about 76531.3377708766. The cubic root of 5857045661 is about 1802.5730342835.

The spelling of 5857045661 in words is "five billion, eight hundred fifty-seven million, forty-five thousand, six hundred sixty-one".