651164167 has 2 divisors, whose sum is σ = 651164168. Its totient is φ = 651164166.

The previous prime is 651164159. The next prime is 651164177. The reversal of 651164167 is 761461156.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 651164167 - 2³ = 651164159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (651164117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325582083 + 325582084.

It is an arithmetic number, because the mean of its divisors is an integer number (325582084).

Almost surely, 2^651164167 is an apocalyptic number.

651164167 is a deficient number, since it is larger than the sum of its proper divisors (1).

651164167 is an equidigital number, since it uses as much as digits as its factorization.

651164167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 651164167 is about 25517.9185475618. The cubic root of 651164167 is about 866.7559492010.

The spelling of 651164167 in words is "six hundred fifty-one million, one hundred sixty-four thousand, one hundred sixty-seven".