10651643226 has 36 divisors (see below), whose sum is σ = 26846490762. Its totient is φ = 3043326384.

The previous prime is 10651643203. The next prime is 10651643227. The reversal of 10651643226 is 62234615601.

10651643226 is a `hidden beast` number, since 1 + 0 + 6 + 5 + 1 + 643 + 2 + 2 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10309356225 + 342287001 = 101535^2 + 18501^2 .

It is a super-2 number, since 2×10651643226² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10651643227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6037465 + ... + 6039228.

Almost surely, 2^10651643226 is an apocalyptic number.

10651643226 is an abundant number, since it is smaller than the sum of its proper divisors (16194847536).

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

10651643226 is a wasteful number, since it uses less digits than its factorization.

10651643226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12076715 (or 12076705 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 10651643226 in words is "ten billion, six hundred fifty-one million, six hundred forty-three thousand, two hundred twenty-six".