66407226467 has 2 divisors, whose sum is σ = 66407226468. Its totient is φ = 66407226466.

The previous prime is 66407226451. The next prime is 66407226499. The reversal of 66407226467 is 76462270466.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66407226467 - 2⁴ = 66407226451 is a prime.

It is a super-3 number, since 3×66407226467³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (66407526467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33203613233 + 33203613234.

It is an arithmetic number, because the mean of its divisors is an integer number (33203613234).

Almost surely, 2^66407226467 is an apocalyptic number.

66407226467 is a deficient number, since it is larger than the sum of its proper divisors (1).

66407226467 is an equidigital number, since it uses as much as digits as its factorization.

66407226467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 50.

The spelling of 66407226467 in words is "sixty-six billion, four hundred seven million, two hundred twenty-six thousand, four hundred sixty-seven".