651676832171 has 2 divisors, whose sum is σ = 651676832172. Its totient is φ = 651676832170.

The previous prime is 651676832113. The next prime is 651676832197. The reversal of 651676832171 is 171238676156.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-651676832171 is a prime.

It is not a weakly prime, because it can be changed into another prime (651676837171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325838416085 + 325838416086.

It is an arithmetic number, because the mean of its divisors is an integer number (325838416086).

Almost surely, 2^651676832171 is an apocalyptic number.

651676832171 is a deficient number, since it is larger than the sum of its proper divisors (1).

651676832171 is an equidigital number, since it uses as much as digits as its factorization.

651676832171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 53.

The spelling of 651676832171 in words is "six hundred fifty-one billion, six hundred seventy-six million, eight hundred thirty-two thousand, one hundred seventy-one".