10456163644 has 6 divisors (see below), whose sum is σ = 18298286384. Its totient is φ = 5228081820.

The previous prime is 10456163639. The next prime is 10456163647. The reversal of 10456163644 is 44636165401.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10456163597 and 10456163606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10456163647) 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 as a sum of consecutive naturals, namely, 1307020452 + ... + 1307020459.

Almost surely, 2^10456163644 is an apocalyptic number.

It is an amenable number.

10456163644 is a deficient number, since it is larger than the sum of its proper divisors (7842122740).

10456163644 is a wasteful number, since it uses less digits than its factorization.

10456163644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614040915 (or 2614040913 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 10456163644 in words is "ten billion, four hundred fifty-six million, one hundred sixty-three thousand, six hundred forty-four".