66962426967 has 12 divisors (see below), whose sum is σ = 96729010560. Its totient is φ = 44639077248.

The previous prime is 66962426963. The next prime is 66962427001. The reversal of 66962426967 is 76962426966.

66962426967 is a `hidden beast` number, since 6 + 69 + 62 + 426 + 96 + 7 = 666.

It is not a de Polignac number, because 66962426967 - 2² = 66962426963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66962426963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37242 + ... + 367847.

It is an arithmetic number, because the mean of its divisors is an integer number (8060750880).

Almost surely, 2^66962426967 is an apocalyptic number.

66962426967 is a deficient number, since it is larger than the sum of its proper divisors (29766583593).

66962426967 is a wasteful number, since it uses less digits than its factorization.

66962426967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423462 (or 423459 counting only the distinct ones).

The product of its digits is 70543872, while the sum is 63.

Subtracting 66962426967 from its reverse (76962426966), we obtain a palindrome (9999999999).

The spelling of 66962426967 in words is "sixty-six billion, nine hundred sixty-two million, four hundred twenty-six thousand, nine hundred sixty-seven".