51461000167 has 6 divisors (see below), whose sum is σ = 54312025488. Its totient is φ = 48752526132.

The previous prime is 51461000131. The next prime is 51461000179. The reversal of 51461000167 is 76100016415.

It is not a de Polignac number, because 51461000167 - 2¹⁵ = 51460967399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51461000867) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71275263 + ... + 71275984.

It is an arithmetic number, because the mean of its divisors is an integer number (9052004248).

Almost surely, 2^51461000167 is an apocalyptic number.

51461000167 is a deficient number, since it is larger than the sum of its proper divisors (2851025321).

51461000167 is a wasteful number, since it uses less digits than its factorization.

51461000167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142551285 (or 142551266 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 51461000167 in words is "fifty-one billion, four hundred sixty-one million, one hundred sixty-seven", and thus it is an aban number.