51670388231671 has 32 divisors (see below), whose sum is σ = 59733761472000. Its totient is φ = 44172695623680.

The previous prime is 51670388231633. The next prime is 51670388231713. The reversal of 51670388231671 is 17613288307615.

It is a cyclic number.

It is not a de Polignac number, because 51670388231671 - 2⁷ = 51670388231543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51670388231071) 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, 2143720606 + ... + 2143744708.

It is an arithmetic number, because the mean of its divisors is an integer number (1866680046000).

Almost surely, 2^{51670388231671} is an apocalyptic number.

51670388231671 is a deficient number, since it is larger than the sum of its proper divisors (8063373240329).

51670388231671 is a wasteful number, since it uses less digits than its factorization.

51670388231671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33319.

The product of its (nonzero) digits is 10160640, while the sum is 58.

The spelling of 51670388231671 in words is "fifty-one trillion, six hundred seventy billion, three hundred eighty-eight million, two hundred thirty-one thousand, six hundred seventy-one".