51660846271783 has 32 divisors (see below), whose sum is σ = 61621843046400. Its totient is φ = 42377460526080.

The previous prime is 51660846271777. The next prime is 51660846271789. The reversal of 51660846271783 is 38717264806615.

It is an interprime number because it is at equal distance from previous prime (51660846271777) and next prime (51660846271789).

It is not a de Polignac number, because 51660846271783 - 2⁹ = 51660846271271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51660846271789) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26049393 + ... + 27962341.

It is an arithmetic number, because the mean of its divisors is an integer number (1925682595200).

Almost surely, 2^{51660846271783} is an apocalyptic number.

51660846271783 is a deficient number, since it is larger than the sum of its proper divisors (9960996774617).

51660846271783 is a wasteful number, since it uses less digits than its factorization.

51660846271783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914367.

The product of its (nonzero) digits is 81285120, while the sum is 64.

The spelling of 51660846271783 in words is "fifty-one trillion, six hundred sixty billion, eight hundred forty-six million, two hundred seventy-one thousand, seven hundred eighty-three".