10646221260 has 24 divisors (see below), whose sum is σ = 29809419696. Its totient is φ = 2838992320.

The previous prime is 10646221259. The next prime is 10646221277. The reversal of 10646221260 is 6212264601.

It is a super-2 number, since 2×10646221260² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88718451 + ... + 88718570.

It is an arithmetic number, because the mean of its divisors is an integer number (1242059154).

Almost surely, 2^10646221260 is an apocalyptic number.

10646221260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10646221260 is an abundant number, since it is smaller than the sum of its proper divisors (19163198436).

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

10646221260 is a wasteful number, since it uses less digits than its factorization.

10646221260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177437033 (or 177437031 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 10646221260 its reverse (6212264601), we get a palindrome (16858485861).

The spelling of 10646221260 in words is "ten billion, six hundred forty-six million, two hundred twenty-one thousand, two hundred sixty".