61144368338 has 16 divisors (see below), whose sum is σ = 92407791840. Its totient is φ = 30341920896.

The previous prime is 61144368319. The next prime is 61144368347. The reversal of 61144368338 is 83386344116.

61144368338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61144368292 and 61144368301.

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, 816770 + ... + 888482.

It is an arithmetic number, because the mean of its divisors is an integer number (5775486990).

Almost surely, 2^61144368338 is an apocalyptic number.

61144368338 is a deficient number, since it is larger than the sum of its proper divisors (31263423502).

61144368338 is a wasteful number, since it uses less digits than its factorization.

61144368338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74921.

The product of its digits is 995328, while the sum is 47.

The spelling of 61144368338 in words is "sixty-one billion, one hundred forty-four million, three hundred sixty-eight thousand, three hundred thirty-eight".