10646681880 has 64 divisors (see below), whose sum is σ = 31946963040. Its totient is φ = 2838500352.

The previous prime is 10646681849. The next prime is 10646681887. The reversal of 10646681880 is 8818664601.

It is a super-2 number, since 2×10646681880² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10646681887) 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, 920292 + ... + 931788.

Almost surely, 2^10646681880 is an apocalyptic number.

10646681880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10646681880 is an abundant number, since it is smaller than the sum of its proper divisors (21300281160).

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

10646681880 is a wasteful number, since it uses less digits than its factorization.

10646681880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19228 (or 19224 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 10646681880 in words is "ten billion, six hundred forty-six million, six hundred eighty-one thousand, eight hundred eighty".