51416163273 has 4 divisors (see below), whose sum is σ = 68554884368. Its totient is φ = 34277442180.

The previous prime is 51416163259. The next prime is 51416163307. The reversal of 51416163273 is 37236161415.

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 not a de Polignac number, because 51416163273 - 2⁹ = 51416162761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51416163203) 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, 8569360543 + ... + 8569360548.

It is an arithmetic number, because the mean of its divisors is an integer number (17138721092).

Almost surely, 2^51416163273 is an apocalyptic number.

It is an amenable number.

51416163273 is a deficient number, since it is larger than the sum of its proper divisors (17138721095).

51416163273 is a wasteful number, since it uses less digits than its factorization.

51416163273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17138721094.

The product of its digits is 90720, while the sum is 39.

The spelling of 51416163273 in words is "fifty-one billion, four hundred sixteen million, one hundred sixty-three thousand, two hundred seventy-three".