660099367 has 2 divisors, whose sum is σ = 660099368. Its totient is φ = 660099366.

The previous prime is 660099347. The next prime is 660099413. The reversal of 660099367 is 763990066.

It is an a-pointer prime, because the next prime (660099413) can be obtained adding 660099367 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 660099367 - 2¹⁹ = 659575079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (660099347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330049683 + 330049684.

It is an arithmetic number, because the mean of its divisors is an integer number (330049684).

Almost surely, 2^660099367 is an apocalyptic number.

660099367 is a deficient number, since it is larger than the sum of its proper divisors (1).

660099367 is an equidigital number, since it uses as much as digits as its factorization.

660099367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 46.

The square root of 660099367 is about 25692.3990121592. The cubic root of 660099367 is about 870.7024612429.

The spelling of 660099367 in words is "six hundred sixty million, ninety-nine thousand, three hundred sixty-seven".