2661335230516 has 12 divisors (see below), whose sum is σ = 4722932944800. Its totient is φ = 1311925817720.

The previous prime is 2661335230513. The next prime is 2661335230523. The reversal of 2661335230516 is 6150325331662.

2661335230516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661335230513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4685449066 + ... + 4685449633.

It is an arithmetic number, because the mean of its divisors is an integer number (393577745400).

Almost surely, 2^{2661335230516} is an apocalyptic number.

It is an amenable number.

2661335230516 is a deficient number, since it is larger than the sum of its proper divisors (2061597714284).

2661335230516 is a wasteful number, since it uses less digits than its factorization.

2661335230516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9370898774 (or 9370898772 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 43.

The spelling of 2661335230516 in words is "two trillion, six hundred sixty-one billion, three hundred thirty-five million, two hundred thirty thousand, five hundred sixteen".