2661241365388 has 12 divisors (see below), whose sum is σ = 4677688568952. Its totient is φ = 1324758917120.

The previous prime is 2661241365347. The next prime is 2661241365413. The reversal of 2661241365388 is 8835631421662.

2661241365388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1465440373 + ... + 1465442188.

It is an arithmetic number, because the mean of its divisors is an integer number (389807380746).

Almost surely, 2^{2661241365388} is an apocalyptic number.

It is an amenable number.

2661241365388 is a deficient number, since it is larger than the sum of its proper divisors (2016447203564).

2661241365388 is a wasteful number, since it uses less digits than its factorization.

2661241365388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930882792 (or 2930882790 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 55.

The spelling of 2661241365388 in words is "two trillion, six hundred sixty-one billion, two hundred forty-one million, three hundred sixty-five thousand, three hundred eighty-eight".