10644501 has 32 divisors (see below), whose sum is σ = 17031168. Its totient is φ = 5785920.

The previous prime is 10644451. The next prime is 10644509. The reversal of 10644501 is 10544601.

It is not a de Polignac number, because 10644501 - 2⁶ = 10644437 is a prime.

It is a super-2 number, since 2×10644501² = 226610803078002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10644509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53935 + ... + 54131.

It is an arithmetic number, because the mean of its divisors is an integer number (532224).

Almost surely, 2^10644501 is an apocalyptic number.

It is an amenable number.

10644501 is a deficient number, since it is larger than the sum of its proper divisors (6386667).

10644501 is a wasteful number, since it uses less digits than its factorization.

10644501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 10644501 is about 3262.5911481520. The cubic root of 10644501 is about 219.9758995638.

It can be divided in two parts, 1064 and 4501, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 10644501 in words is "ten million, six hundred forty-four thousand, five hundred one".