51666671030 has 32 divisors (see below), whose sum is σ = 100166286528. Its totient is φ = 19074556800.

The previous prime is 51666671029. The next prime is 51666671033. The reversal of 51666671030 is 3017666615.

51666671030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51666671033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1298735 + ... + 1337925.

It is an arithmetic number, because the mean of its divisors is an integer number (3130196454).

Almost surely, 2^51666671030 is an apocalyptic number.

51666671030 is a deficient number, since it is larger than the sum of its proper divisors (48499615498).

51666671030 is a wasteful number, since it uses less digits than its factorization.

51666671030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49352.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 51666671030 in words is "fifty-one billion, six hundred sixty-six million, six hundred seventy-one thousand, thirty".