51641016132 has 24 divisors (see below), whose sum is σ = 120503398176. Its totient is φ = 17212572928.

The previous prime is 51641016131. The next prime is 51641016157. The reversal of 51641016132 is 23161014615.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 51641016132.

It is not an unprimeable number, because it can be changed into a prime (51641016131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71023 + ... + 329129.

It is an arithmetic number, because the mean of its divisors is an integer number (5020974924).

Almost surely, 2^51641016132 is an apocalyptic number.

It is an amenable number.

51641016132 is an abundant number, since it is smaller than the sum of its proper divisors (68862382044).

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

51641016132 is a wasteful number, since it uses less digits than its factorization.

51641016132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274787 (or 274785 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 51641016132 in words is "fifty-one billion, six hundred forty-one million, sixteen thousand, one hundred thirty-two".