51216411610 has 288 divisors, whose sum is σ = 121991629824. Its totient is φ = 15410304000.

The previous prime is 51216411599. The next prime is 51216411619. The reversal of 51216411610 is 1611461215.

It is not an unprimeable number, because it can be changed into a prime (51216411619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 182264670 + ... + 182264950.

It is an arithmetic number, because the mean of its divisors is an integer number (423582048).

Almost surely, 2^51216411610 is an apocalyptic number.

51216411610 is an abundant number, since it is smaller than the sum of its proper divisors (70775218214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51216411610 is a wasteful number, since it uses less digits than its factorization.

51216411610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

Adding to 51216411610 its reverse (1611461215), we get a palindrome (52827872825).

The spelling of 51216411610 in words is "fifty-one billion, two hundred sixteen million, four hundred eleven thousand, six hundred ten".