66160267 has 2 divisors, whose sum is σ = 66160268. Its totient is φ = 66160266.

The previous prime is 66160253. The next prime is 66160313. The reversal of 66160267 is 76206166.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66160267 - 2⁷ = 66160139 is a prime.

It is a super-2 number, since 2×66160267² = 8754361859022578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (66160967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33080133 + 33080134.

It is an arithmetic number, because the mean of its divisors is an integer number (33080134).

Almost surely, 2^66160267 is an apocalyptic number.

66160267 is a deficient number, since it is larger than the sum of its proper divisors (1).

66160267 is an equidigital number, since it uses as much as digits as its factorization.

66160267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 66160267 is about 8133.8961758803. The cubic root of 66160267 is about 404.4508474518.

The spelling of 66160267 in words is "sixty-six million, one hundred sixty thousand, two hundred sixty-seven".