51170373632 has 104 divisors (see below), whose sum is σ = 118088795136. Its totient is φ = 21715992576.

The previous prime is 51170373601. The next prime is 51170373673. The reversal of 51170373632 is 23637307115.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2944553 + ... + 2961879.

It is an arithmetic number, because the mean of its divisors is an integer number (1135469184).

Almost surely, 2^51170373632 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 51170373632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59044397568).

51170373632 is an abundant number, since it is smaller than the sum of its proper divisors (66918421504).

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

51170373632 is a wasteful number, since it uses less digits than its factorization.

51170373632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17461 (or 17439 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 38.

The spelling of 51170373632 in words is "fifty-one billion, one hundred seventy million, three hundred seventy-three thousand, six hundred thirty-two".