654428167 has 2 divisors, whose sum is σ = 654428168. Its totient is φ = 654428166.

The previous prime is 654428149. The next prime is 654428227. The reversal of 654428167 is 761824456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 654428167 - 2¹¹ = 654426119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654428147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327214083 + 327214084.

It is an arithmetic number, because the mean of its divisors is an integer number (327214084).

Almost surely, 2^654428167 is an apocalyptic number.

654428167 is a deficient number, since it is larger than the sum of its proper divisors (1).

654428167 is an equidigital number, since it uses as much as digits as its factorization.

654428167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 43.

The square root of 654428167 is about 25581.7936626813. The cubic root of 654428167 is about 868.2017584574.

The spelling of 654428167 in words is "six hundred fifty-four million, four hundred twenty-eight thousand, one hundred sixty-seven".