655342222243556 has 24 divisors (see below), whose sum is σ = 1185603069525504. Its totient is φ = 316629899792640.

The previous prime is 655342222243547. The next prime is 655342222243571.

655342222243556 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3926378600 + ... + 3926545503.

It is an arithmetic number, because the mean of its divisors is an integer number (49400127896896).

Almost surely, 2^{655342222243556} is an apocalyptic number.

It is an amenable number.

655342222243556 is a deficient number, since it is larger than the sum of its proper divisors (530260847281948).

655342222243556 is a wasteful number, since it uses less digits than its factorization.

655342222243556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7852924811 (or 7852924809 counting only the distinct ones).

The product of its digits is 103680000, while the sum is 56.

The spelling of 655342222243556 in words is "six hundred fifty-five trillion, three hundred forty-two billion, two hundred twenty-two million, two hundred forty-three thousand, five hundred fifty-six".