2612336661 has 24 divisors (see below), whose sum is σ = 4123177344. Its totient is φ = 1580631360.

The previous prime is 2612336593. The next prime is 2612336669. The reversal of 2612336661 is 1666332162.

It is not a de Polignac number, because 2612336661 - 2¹³ = 2612328469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2612336669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39700 + ... + 82466.

It is an arithmetic number, because the mean of its divisors is an integer number (171799056).

Almost surely, 2^2612336661 is an apocalyptic number.

It is an amenable number.

2612336661 is a deficient number, since it is larger than the sum of its proper divisors (1510840683).

2612336661 is a wasteful number, since it uses less digits than its factorization.

2612336661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43401 (or 43398 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 2612336661 is about 51111.0228913490. The cubic root of 2612336661 is about 1377.2402771630.

The spelling of 2612336661 in words is "two billion, six hundred twelve million, three hundred thirty-six thousand, six hundred sixty-one".