51416422064 has 30 divisors (see below), whose sum is σ = 115883697924. Its totient is φ = 22035609120.

The previous prime is 51416422049. The next prime is 51416422067. The reversal of 51416422064 is 46022461415.

51416422064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51416422067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32790302 + ... + 32791869.

Almost surely, 2^51416422064 is an apocalyptic number.

It is an amenable number.

51416422064 is an abundant number, since it is smaller than the sum of its proper divisors (64467275860).

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

51416422064 is a wasteful number, since it uses less digits than its factorization.

51416422064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65582193 (or 65582180 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 51416422064 its reverse (46022461415), we get a palindrome (97438883479).

The spelling of 51416422064 in words is "fifty-one billion, four hundred sixteen million, four hundred twenty-two thousand, sixty-four".