51307166471 has 4 divisors (see below), whose sum is σ = 55971454344. Its totient is φ = 46642878600.

The previous prime is 51307166467. The next prime is 51307166563. The reversal of 51307166471 is 17466170315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51307166471 - 2² = 51307166467 is a prime.

It is a super-3 number, since 3×51307166471³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51307166171) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2332143920 + ... + 2332143941.

It is an arithmetic number, because the mean of its divisors is an integer number (13992863586).

Almost surely, 2^51307166471 is an apocalyptic number.

51307166471 is a deficient number, since it is larger than the sum of its proper divisors (4664287873).

51307166471 is a wasteful number, since it uses less digits than its factorization.

51307166471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4664287872.

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 51307166471 in words is "fifty-one billion, three hundred seven million, one hundred sixty-six thousand, four hundred seventy-one".