10456163645 has 4 divisors (see below), whose sum is σ = 12547396380. Its totient is φ = 8364930912.

The previous prime is 10456163639. The next prime is 10456163647. The reversal of 10456163645 is 54636165401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8216697316 + 2239466329 = 90646^2 + 47323^2 .

It is a cyclic number.

It is not a de Polignac number, because 10456163645 - 2²⁸ = 10187728189 is a prime.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045616360 + ... + 1045616369.

It is an arithmetic number, because the mean of its divisors is an integer number (3136849095).

Almost surely, 2^10456163645 is an apocalyptic number.

It is an amenable number.

10456163645 is a deficient number, since it is larger than the sum of its proper divisors (2091232735).

10456163645 is an equidigital number, since it uses as much as digits as its factorization.

10456163645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091232734.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 10456163645 in words is "ten billion, four hundred fifty-six million, one hundred sixty-three thousand, six hundred forty-five".