2305076661 has 12 divisors (see below), whose sum is σ = 3332216160. Its totient is φ = 1535489640.

The previous prime is 2305076647. The next prime is 2305076671. The reversal of 2305076661 is 1666705032.

2305076661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2305076661 - 2¹⁸ = 2304814517 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2305076671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90385 + ... + 113046.

It is an arithmetic number, because the mean of its divisors is an integer number (277684680).

Almost surely, 2^2305076661 is an apocalyptic number.

It is an amenable number.

2305076661 is a deficient number, since it is larger than the sum of its proper divisors (1027139499).

2305076661 is a wasteful number, since it uses less digits than its factorization.

2305076661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204696 (or 204693 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 2305076661 is about 48011.2139088359. The cubic root of 2305076661 is about 1320.9765999443.

It can be divided in two parts, 230 and 5076661, that added together give a triangular number (5076891 = T₃₁₈₆).

The spelling of 2305076661 in words is "two billion, three hundred five million, seventy-six thousand, six hundred sixty-one".