51677156608 has 144 divisors (see below), whose sum is σ = 134198378496. Its totient is φ = 19258398720.

The previous prime is 51677156599. The next prime is 51677156611. The reversal of 51677156608 is 80665177615.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396385 + ... + 510367.

It is an arithmetic number, because the mean of its divisors is an integer number (931933184).

Almost surely, 2^51677156608 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 51677156608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67099189248).

51677156608 is an abundant number, since it is smaller than the sum of its proper divisors (82521221888).

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

51677156608 is a wasteful number, since it uses less digits than its factorization.

51677156608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114040 (or 114026 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 52.

The spelling of 51677156608 in words is "fifty-one billion, six hundred seventy-seven million, one hundred fifty-six thousand, six hundred eight".