553666666355 has 16 divisors (see below), whose sum is σ = 741655816704. Its totient is φ = 393302323680.

The previous prime is 553666666351. The next prime is 553666666381.

553666666355 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 553666666355 - 2² = 553666666351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (553666666351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117051899 + ... + 117056628.

It is an arithmetic number, because the mean of its divisors is an integer number (46353488544).

Almost surely, 2^553666666355 is an apocalyptic number.

553666666355 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

553666666355 is a deficient number, since it is larger than the sum of its proper divisors (187989150349).

553666666355 is a wasteful number, since it uses less digits than its factorization.

553666666355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234108586.

The product of its digits is 262440000, while the sum is 62.

The spelling of 553666666355 in words is "five hundred fifty-three billion, six hundred sixty-six million, six hundred sixty-six thousand, three hundred fifty-five".