5851663 has 4 divisors (see below), whose sum is σ = 5879608. Its totient is φ = 5823720.

The previous prime is 5851627. The next prime is 5851673. The reversal of 5851663 is 3661585.

5851663 = T₁₂₂ + T₁₂₃ + ... + T₃₃₂.

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

It is a cyclic number.

It is not a de Polignac number, because 5851663 - 2²¹ = 3754511 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 (5851603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13656 + ... + 14077.

It is an arithmetic number, because the mean of its divisors is an integer number (1469902).

Almost surely, 2^5851663 is an apocalyptic number.

5851663 is a deficient number, since it is larger than the sum of its proper divisors (27945).

5851663 is a wasteful number, since it uses less digits than its factorization.

5851663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27944.

The product of its digits is 21600, while the sum is 34.

The square root of 5851663 is about 2419.0210830003. The cubic root of 5851663 is about 180.2020673138.

The spelling of 5851663 in words is "five million, eight hundred fifty-one thousand, six hundred sixty-three".