2611291516 has 6 divisors (see below), whose sum is σ = 4569760160. Its totient is φ = 1305645756.

The previous prime is 2611291493. The next prime is 2611291519. The reversal of 2611291516 is 6151921162.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2611291519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326411436 + ... + 326411443.

Almost surely, 2^2611291516 is an apocalyptic number.

It is an amenable number.

2611291516 is a deficient number, since it is larger than the sum of its proper divisors (1958468644).

2611291516 is a wasteful number, since it uses less digits than its factorization.

2611291516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652822883 (or 652822881 counting only the distinct ones).

The product of its digits is 6480, while the sum is 34.

The square root of 2611291516 is about 51100.7976062996. The cubic root of 2611291516 is about 1377.0565836631.

The spelling of 2611291516 in words is "two billion, six hundred eleven million, two hundred ninety-one thousand, five hundred sixteen".