651164159 has 2 divisors, whose sum is σ = 651164160. Its totient is φ = 651164158.

The previous prime is 651164149. The next prime is 651164167. The reversal of 651164159 is 951461156.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-651164159 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (651164119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325582079 + 325582080.

It is an arithmetic number, because the mean of its divisors is an integer number (325582080).

Almost surely, 2^651164159 is an apocalyptic number.

651164159 is a deficient number, since it is larger than the sum of its proper divisors (1).

651164159 is an equidigital number, since it uses as much as digits as its factorization.

651164159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 38.

The square root of 651164159 is about 25517.9183908092. The cubic root of 651164159 is about 866.7559456515.

The spelling of 651164159 in words is "six hundred fifty-one million, one hundred sixty-four thousand, one hundred fifty-nine".