2661361025422 has 16 divisors (see below), whose sum is σ = 4354983712944. Its totient is φ = 1209701416000.

The previous prime is 2661361025417. The next prime is 2661361025437. The reversal of 2661361025422 is 2245201631662.

It is a happy number.

2661361025422 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3993522 + ... + 4612042.

It is an arithmetic number, because the mean of its divisors is an integer number (272186482059).

Almost surely, 2^{2661361025422} is an apocalyptic number.

2661361025422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2661361025422 is a deficient number, since it is larger than the sum of its proper divisors (1693622687522).

2661361025422 is a wasteful number, since it uses less digits than its factorization.

2661361025422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814115.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 2661361025422 in words is "two trillion, six hundred sixty-one billion, three hundred sixty-one million, twenty-five thousand, four hundred twenty-two".