51608182152 has 128 divisors (see below), whose sum is σ = 134962588800. Its totient is φ = 16424798208.

The previous prime is 51608182117. The next prime is 51608182183. The reversal of 51608182152 is 25128180615.

It is a super-2 number, since 2×51608182152² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51608182152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25459363 + ... + 25461389.

It is an arithmetic number, because the mean of its divisors is an integer number (1054395225).

Almost surely, 2^51608182152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51608182152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67481294400).

51608182152 is an abundant number, since it is smaller than the sum of its proper divisors (83354406648).

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

51608182152 is a wasteful number, since it uses less digits than its factorization.

51608182152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455 (or 2451 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 39.

The spelling of 51608182152 in words is "fifty-one billion, six hundred eight million, one hundred eighty-two thousand, one hundred fifty-two".