5163445561 has 4 divisors (see below), whose sum is σ = 5163629824. Its totient is φ = 5163261300.

The previous prime is 5163445543. The next prime is 5163445583. The reversal of 5163445561 is 1655443615.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 5163445561 - 2¹³ = 5163437369 is a prime.

It is a super-2 number, since 2×5163445561² = 53322340122821209442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5163445541) 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 in 3 ways as a sum of consecutive naturals, for example, 40425 + ... + 109366.

It is an arithmetic number, because the mean of its divisors is an integer number (1290907456).

Almost surely, 2^5163445561 is an apocalyptic number.

It is an amenable number.

5163445561 is a deficient number, since it is larger than the sum of its proper divisors (184263).

5163445561 is a wasteful number, since it uses less digits than its factorization.

5163445561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184262.

The product of its digits is 216000, while the sum is 40.

The square root of 5163445561 is about 71857.1190697206. The cubic root of 5163445561 is about 1728.4090601838.

The spelling of 5163445561 in words is "five billion, one hundred sixty-three million, four hundred forty-five thousand, five hundred sixty-one".