51300042163 has 16 divisors (see below), whose sum is σ = 54604597824. Its totient is φ = 48027893760.

The previous prime is 51300042133. The next prime is 51300042179. The reversal of 51300042163 is 36124000315.

It is a cyclic number.

It is not a de Polignac number, because 51300042163 - 2⁹ = 51300041651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51300042103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3299578 + ... + 3315088.

It is an arithmetic number, because the mean of its divisors is an integer number (3412787364).

Almost surely, 2^51300042163 is an apocalyptic number.

51300042163 is a deficient number, since it is larger than the sum of its proper divisors (3304555661).

51300042163 is a wasteful number, since it uses less digits than its factorization.

51300042163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16542.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 51300042163 its reverse (36124000315), we get a palindrome (87424042478).

The spelling of 51300042163 in words is "fifty-one billion, three hundred million, forty-two thousand, one hundred sixty-three".