2606156189 has 16 divisors (see below), whose sum is σ = 3273043200. Its totient is φ = 2062010160.

The previous prime is 2606156173. The next prime is 2606156191. The reversal of 2606156189 is 9816516062.

It is not a de Polignac number, because 2606156189 - 2⁴ = 2606156173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606156149) 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, 287777 + ... + 296694.

It is an arithmetic number, because the mean of its divisors is an integer number (204565200).

Almost surely, 2^2606156189 is an apocalyptic number.

It is an amenable number.

2606156189 is a deficient number, since it is larger than the sum of its proper divisors (666887011).

2606156189 is an equidigital number, since it uses as much as digits as its factorization.

2606156189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584505 (or 584491 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 2606156189 is about 51050.5258445004. The cubic root of 2606156189 is about 1376.1532916151.

The spelling of 2606156189 in words is "two billion, six hundred six million, one hundred fifty-six thousand, one hundred eighty-nine".