10641206644 has 24 divisors (see below), whose sum is σ = 20137057920. Its totient is φ = 4901079936.

The previous prime is 10641206629. The next prime is 10641206663. The reversal of 10641206644 is 44660214601.

10641206644 = T₂₁₂₅₆ + T₂₁₂₅₇ + ... + T₂₁₃₀₂.

It is a super-2 number, since 2×10641206644² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1661574 + ... + 1667965.

It is an arithmetic number, because the mean of its divisors is an integer number (839044080).

Almost surely, 2^10641206644 is an apocalyptic number.

It is an amenable number.

10641206644 is a deficient number, since it is larger than the sum of its proper divisors (9495851276).

10641206644 is a wasteful number, since it uses less digits than its factorization.

10641206644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329607 (or 3329605 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 10641206644 in words is "ten billion, six hundred forty-one million, two hundred six thousand, six hundred forty-four".