51164152320164 has 96 divisors (see below), whose sum is σ = 100840959870336. Its totient is φ = 22559835432960.

The previous prime is 51164152320163. The next prime is 51164152320251. The reversal of 51164152320164 is 46102325146115.

It is not an unprimeable number, because it can be changed into a prime (51164152320163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22163399 + ... + 24362769.

It is an arithmetic number, because the mean of its divisors is an integer number (1050426665316).

Almost surely, 2^{51164152320164} is an apocalyptic number.

It is an amenable number.

51164152320164 is a deficient number, since it is larger than the sum of its proper divisors (49676807550172).

51164152320164 is a wasteful number, since it uses less digits than its factorization.

51164152320164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199645 (or 2199643 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

Adding to 51164152320164 its reverse (46102325146115), we get a palindrome (97266477466279).

The spelling of 51164152320164 in words is "fifty-one trillion, one hundred sixty-four billion, one hundred fifty-two million, three hundred twenty thousand, one hundred sixty-four".