5616861899 has 8 divisors (see below), whose sum is σ = 6129010992. Its totient is φ = 5104967040.

The previous prime is 5616861889. The next prime is 5616861919. The reversal of 5616861899 is 9981686165.

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

It is a cyclic number.

It is not a de Polignac number, because 5616861899 - 2¹² = 5616857803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5616861889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15794 + ... + 107159.

It is an arithmetic number, because the mean of its divisors is an integer number (766126374).

Almost surely, 2^5616861899 is an apocalyptic number.

5616861899 is a deficient number, since it is larger than the sum of its proper divisors (512149093).

5616861899 is a wasteful number, since it uses less digits than its factorization.

5616861899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127117.

The product of its digits is 5598720, while the sum is 59.

The square root of 5616861899 is about 74945.7263558103. The cubic root of 5616861899 is about 1777.5885684585.

The spelling of 5616861899 in words is "five billion, six hundred sixteen million, eight hundred sixty-one thousand, eight hundred ninety-nine".