51166435460 has 24 divisors (see below), whose sum is σ = 122799445440. Its totient is φ = 17542777824.

The previous prime is 51166435387. The next prime is 51166435469. The reversal of 51166435460 is 6453466115.

It is not an unprimeable number, because it can be changed into a prime (51166435469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182737130 + ... + 182737409.

It is an arithmetic number, because the mean of its divisors is an integer number (5116643560).

Almost surely, 2^51166435460 is an apocalyptic number.

It is an amenable number.

51166435460 is an abundant number, since it is smaller than the sum of its proper divisors (71633009980).

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

51166435460 is a wasteful number, since it uses less digits than its factorization.

51166435460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365474555 (or 365474553 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 51166435460 in words is "fifty-one billion, one hundred sixty-six million, four hundred thirty-five thousand, four hundred sixty".