655793397556 has 48 divisors (see below), whose sum is σ = 1287238498560. Its totient is φ = 289744128000.

The previous prime is 655793397547. The next prime is 655793397569.

655793397556 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181821 + ... + 1159588.

It is an arithmetic number, because the mean of its divisors is an integer number (26817468720).

Almost surely, 2^655793397556 is an apocalyptic number.

It is an amenable number.

655793397556 is a deficient number, since it is larger than the sum of its proper divisors (631445101004).

655793397556 is a wasteful number, since it uses less digits than its factorization.

655793397556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341736 (or 1341734 counting only the distinct ones).

The product of its digits is 803722500, while the sum is 70.

The spelling of 655793397556 in words is "six hundred fifty-five billion, seven hundred ninety-three million, three hundred ninety-seven thousand, five hundred fifty-six".