388268337561 has 32 divisors (see below), whose sum is σ = 573211903488. Its totient is φ = 232220701440.

The previous prime is 388268337553. The next prime is 388268337563. The reversal of 388268337561 is 165733862883.

It is not a de Polignac number, because 388268337561 - 2³ = 388268337553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 388268337495 and 388268337504.

It is not an unprimeable number, because it can be changed into a prime (388268337563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1166895 + ... + 1462251.

It is an arithmetic number, because the mean of its divisors is an integer number (17912871984).

Almost surely, 2^388268337561 is an apocalyptic number.

It is an amenable number.

388268337561 is a deficient number, since it is larger than the sum of its proper divisors (184943565927).

388268337561 is a wasteful number, since it uses less digits than its factorization.

388268337561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296321.

The product of its digits is 34836480, while the sum is 60.

The spelling of 388268337561 in words is "three hundred eighty-eight billion, two hundred sixty-eight million, three hundred thirty-seven thousand, five hundred sixty-one".