2061116889 has 16 divisors (see below), whose sum is σ = 2967182400. Its totient is φ = 1265109696.

The previous prime is 2061116887. The next prime is 2061116899. The reversal of 2061116889 is 9886111602.

It is not a de Polignac number, because 2061116889 - 2¹ = 2061116887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2061116889.

It is not an unprimeable number, because it can be changed into a prime (2061116887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52759 + ... + 83100.

It is an arithmetic number, because the mean of its divisors is an integer number (185448900).

Almost surely, 2^2061116889 is an apocalyptic number.

It is an amenable number.

2061116889 is a deficient number, since it is larger than the sum of its proper divisors (906065511).

2061116889 is a wasteful number, since it uses less digits than its factorization.

2061116889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136264.

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 2061116889 is about 45399.5252067684. The cubic root of 2061116889 is about 1272.6262410925.

The spelling of 2061116889 in words is "two billion, sixty-one million, one hundred sixteen thousand, eight hundred eighty-nine".