264193667 has 2 divisors, whose sum is σ = 264193668. Its totient is φ = 264193666.

The previous prime is 264193649. The next prime is 264193673. The reversal of 264193667 is 766391462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264193667 - 2⁸ = 264193411 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (264193607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132096833 + 132096834.

It is an arithmetic number, because the mean of its divisors is an integer number (132096834).

Almost surely, 2^264193667 is an apocalyptic number.

264193667 is a deficient number, since it is larger than the sum of its proper divisors (1).

264193667 is an equidigital number, since it uses as much as digits as its factorization.

264193667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 44.

The square root of 264193667 is about 16254.0354066306. The cubic root of 264193667 is about 641.6636947146.

The spelling of 264193667 in words is "two hundred sixty-four million, one hundred ninety-three thousand, six hundred sixty-seven".