66530513167 has 2 divisors, whose sum is σ = 66530513168. Its totient is φ = 66530513166.

The previous prime is 66530513141. The next prime is 66530513201. The reversal of 66530513167 is 76131503566.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66530513167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66530513767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33265256583 + 33265256584.

It is an arithmetic number, because the mean of its divisors is an integer number (33265256584).

Almost surely, 2^66530513167 is an apocalyptic number.

66530513167 is a deficient number, since it is larger than the sum of its proper divisors (1).

66530513167 is an equidigital number, since it uses as much as digits as its factorization.

66530513167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 43.

The spelling of 66530513167 in words is "sixty-six billion, five hundred thirty million, five hundred thirteen thousand, one hundred sixty-seven".