10243554161 has 4 divisors (see below), whose sum is σ = 10573991424. Its totient is φ = 9913116900.

The previous prime is 10243554067. The next prime is 10243554169. The reversal of 10243554161 is 16145534201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16145534201 = 107 ⋅150892843.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10243554161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10243554169) 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, 165218585 + ... + 165218646.

It is an arithmetic number, because the mean of its divisors is an integer number (2643497856).

Almost surely, 2^10243554161 is an apocalyptic number.

It is an amenable number.

10243554161 is a deficient number, since it is larger than the sum of its proper divisors (330437263).

10243554161 is an equidigital number, since it uses as much as digits as its factorization.

10243554161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330437262.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 10243554161 in words is "ten billion, two hundred forty-three million, five hundred fifty-four thousand, one hundred sixty-one".