51169603734 has 24 divisors (see below), whose sum is σ = 110871633600. Its totient is φ = 17055894768.

The previous prime is 51169603651. The next prime is 51169603757. The reversal of 51169603734 is 43730696115.

It is a happy number.

51169603734 is a `hidden beast` number, since 5 + 1 + 1 + 6 + 9 + 603 + 7 + 34 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 51169603734.

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 11 ways as a sum of consecutive naturals, for example, 928792 + ... + 982340.

It is an arithmetic number, because the mean of its divisors is an integer number (4619651400).

Almost surely, 2^51169603734 is an apocalyptic number.

51169603734 is an abundant number, since it is smaller than the sum of its proper divisors (59702029866).

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

51169603734 is a wasteful number, since it uses less digits than its factorization.

51169603734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106644 (or 106641 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 51169603734 in words is "fifty-one billion, one hundred sixty-nine million, six hundred three thousand, seven hundred thirty-four".