666053467 has 2 divisors, whose sum is σ = 666053468. Its totient is φ = 666053466.

The previous prime is 666053441. The next prime is 666053513. The reversal of 666053467 is 764350666.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-666053467 is a prime.

It is not a weakly prime, because it can be changed into another prime (666053867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333026733 + 333026734.

It is an arithmetic number, because the mean of its divisors is an integer number (333026734).

Almost surely, 2^666053467 is an apocalyptic number.

666053467 is a deficient number, since it is larger than the sum of its proper divisors (1).

666053467 is an equidigital number, since it uses as much as digits as its factorization.

666053467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 43.

The square root of 666053467 is about 25808.0116824214. The cubic root of 666053467 is about 873.3125429498.

The spelling of 666053467 in words is "six hundred sixty-six million, fifty-three thousand, four hundred sixty-seven".