51144297599166 has 16 divisors (see below), whose sum is σ = 105588227301888. Its totient is φ = 16498160515800.

The previous prime is 51144297599119. The next prime is 51144297599191. The reversal of 51144297599166 is 66199579244115.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51144297599166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137484670780 + ... + 137484671151.

It is an arithmetic number, because the mean of its divisors is an integer number (6599264206368).

Almost surely, 2^{51144297599166} is an apocalyptic number.

51144297599166 is an abundant number, since it is smaller than the sum of its proper divisors (54443929702722).

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

51144297599166 is a wasteful number, since it uses less digits than its factorization.

51144297599166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274969341967.

The product of its digits is 146966400, while the sum is 69.

The spelling of 51144297599166 in words is "fifty-one trillion, one hundred forty-four billion, two hundred ninety-seven million, five hundred ninety-nine thousand, one hundred sixty-six".