10662431220054 has 128 divisors (see below), whose sum is σ = 24124796092800. Its totient is φ = 3533750820864.

The previous prime is 10662431219977. The next prime is 10662431220151. The reversal of 10662431220054 is 45002213426601.

10662431220054 is a `hidden beast` number, since 1 + 0 + 6 + 624 + 3 + 1 + 2 + 20 + 0 + 5 + 4 = 666.

It is a super-2 number, since 2×10662431220054² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 626125212 + ... + 626142240.

It is an arithmetic number, because the mean of its divisors is an integer number (188474969475).

Almost surely, 2^{10662431220054} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10662431220054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12062398046400).

10662431220054 is an abundant number, since it is smaller than the sum of its proper divisors (13462364872746).

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

10662431220054 is an equidigital number, since it uses as much as digits as its factorization.

10662431220054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17866 (or 17848 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 10662431220054 its reverse (45002213426601), we get a palindrome (55664644646655).

The spelling of 10662431220054 in words is "ten trillion, six hundred sixty-two billion, four hundred thirty-one million, two hundred twenty thousand, fifty-four".