51161647286 has 8 divisors (see below), whose sum is σ = 79388763120. Its totient is φ = 24698726248.

The previous prime is 51161647267. The next prime is 51161647307. The reversal of 51161647286 is 68274616115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 51161647286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441048626 + ... + 441048741.

It is an arithmetic number, because the mean of its divisors is an integer number (9923595390).

Almost surely, 2^51161647286 is an apocalyptic number.

51161647286 is a deficient number, since it is larger than the sum of its proper divisors (28227115834).

51161647286 is a wasteful number, since it uses less digits than its factorization.

51161647286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882097398.

The product of its digits is 483840, while the sum is 47.

The spelling of 51161647286 in words is "fifty-one billion, one hundred sixty-one million, six hundred forty-seven thousand, two hundred eighty-six".