6553274723556 has 72 divisors (see below), whose sum is σ = 16808325838080. Its totient is φ = 1985735526720.

The previous prime is 6553274723521. The next prime is 6553274723573.

6553274723556 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 6553274723556.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29858490 + ... + 30077166.

Almost surely, 2^{6553274723556} is an apocalyptic number.

6553274723556 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6553274723556 is an abundant number, since it is smaller than the sum of its proper divisors (10255051114524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6553274723556 is a wasteful number, since it uses less digits than its factorization.

6553274723556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239345 (or 239332 counting only the distinct ones).

The product of its digits is 158760000, while the sum is 60.

The spelling of 6553274723556 in words is "six trillion, five hundred fifty-three billion, two hundred seventy-four million, seven hundred twenty-three thousand, five hundred fifty-six".