3616118861 has 8 divisors (see below), whose sum is σ = 3745942200. Its totient is φ = 3488277760.

The previous prime is 3616118843. The next prime is 3616118873. The reversal of 3616118861 is 1688116163.

3616118861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 201469636 + 3414649225 = 14194^2 + 58435^2 .

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 3616118861 - 2⁶ = 3616118797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3616118761) 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, 491846 + ... + 499143.

It is an arithmetic number, because the mean of its divisors is an integer number (468242775).

Almost surely, 2^3616118861 is an apocalyptic number.

It is an amenable number.

3616118861 is a deficient number, since it is larger than the sum of its proper divisors (129823339).

3616118861 is an equidigital number, since it uses as much as digits as its factorization.

3616118861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991119.

The product of its digits is 41472, while the sum is 41.

The square root of 3616118861 is about 60134.1738198838. The cubic root of 3616118861 is about 1534.9028732484.

The spelling of 3616118861 in words is "three billion, six hundred sixteen million, one hundred eighteen thousand, eight hundred sixty-one".