51673737488328 has 48 divisors (see below), whose sum is σ = 144464212339200. Its totient is φ = 16668947576160.

The previous prime is 51673737488327. The next prime is 51673737488339. The reversal of 51673737488328 is 82388473737615.

51673737488328 is a `hidden beast` number, since 5 + 1 + 6 + 73 + 73 + 7 + 488 + 3 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (51673737488323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11575655808 + ... + 11575660271.

It is an arithmetic number, because the mean of its divisors is an integer number (3009671090400).

Almost surely, 2^{51673737488328} is an apocalyptic number.

It is an amenable number.

51673737488328 is an abundant number, since it is smaller than the sum of its proper divisors (92790474850872).

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

51673737488328 is a wasteful number, since it uses less digits than its factorization.

51673737488328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23151316122 (or 23151316115 counting only the distinct ones).

The product of its digits is 1137991680, while the sum is 72.

The spelling of 51673737488328 in words is "fifty-one trillion, six hundred seventy-three billion, seven hundred thirty-seven million, four hundred eighty-eight thousand, three hundred twenty-eight".