655402303204556 has 12 divisors (see below), whose sum is σ = 1148086265590992. Its totient is φ = 327377655892848.

The previous prime is 655402303204553. The next prime is 655402303204631.

It is a happy number.

655402303204556 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (655402303204553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80873922800 + ... + 80873930903.

It is an arithmetic number, because the mean of its divisors is an integer number (95673855465916).

Almost surely, 2^{655402303204556} is an apocalyptic number.

It is an amenable number.

655402303204556 is a deficient number, since it is larger than the sum of its proper divisors (492683962386436).

655402303204556 is a wasteful number, since it uses less digits than its factorization.

655402303204556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161747854720 (or 161747854718 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 50.

It can be divided in two parts, 65540230 and 3204556, that added together give a palindrome (68744786).

The spelling of 655402303204556 in words is "six hundred fifty-five trillion, four hundred two billion, three hundred three million, two hundred four thousand, five hundred fifty-six".