2611660231 has 2 divisors, whose sum is σ = 2611660232. Its totient is φ = 2611660230.

The previous prime is 2611660223. The next prime is 2611660253. The reversal of 2611660231 is 1320661162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2611660231 - 2³ = 2611660223 is a prime.

It is a super-2 number, since 2×2611660231² = 13641538324373946722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2611660231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2611660631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1305830115 + 1305830116.

It is an arithmetic number, because the mean of its divisors is an integer number (1305830116).

Almost surely, 2^2611660231 is an apocalyptic number.

2611660231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2611660231 is an equidigital number, since it uses as much as digits as its factorization.

2611660231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2611660231 is about 51104.4052015088. The cubic root of 2611660231 is about 1377.1213941881.

The spelling of 2611660231 in words is "two billion, six hundred eleven million, six hundred sixty thousand, two hundred thirty-one".