553866668355 has 384 divisors, whose sum is σ = 1261509451776. Its totient is φ = 203793408000.

The previous prime is 553866668347. The next prime is 553866668387.

553866668355 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 553866668355 - 2³ = 553866668347 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 283887630 + ... + 283889580.

It is an arithmetic number, because the mean of its divisors is an integer number (3285180864).

Almost surely, 2^553866668355 is an apocalyptic number.

553866668355 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

553866668355 is an abundant number, since it is smaller than the sum of its proper divisors (707642783421).

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

553866668355 is a wasteful number, since it uses less digits than its factorization.

553866668355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107 (or 2100 counting only the distinct ones).

The product of its digits is 466560000, while the sum is 66.

It can be divided in two parts, 553866 and 668355, that added together give a palindrome (1222221).

The spelling of 553866668355 in words is "five hundred fifty-three billion, eight hundred sixty-six million, six hundred sixty-eight thousand, three hundred fifty-five".