67660094907 has 8 divisors (see below), whose sum is σ = 100237177680. Its totient is φ = 45106729920.

The previous prime is 67660094861. The next prime is 67660094969. The reversal of 67660094907 is 70949006676.

It is not a de Polignac number, because 67660094907 - 2⁷ = 67660094779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67660094107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1252964694 + ... + 1252964747.

It is an arithmetic number, because the mean of its divisors is an integer number (12529647210).

Almost surely, 2^67660094907 is an apocalyptic number.

67660094907 is a deficient number, since it is larger than the sum of its proper divisors (32577082773).

67660094907 is a wasteful number, since it uses less digits than its factorization.

67660094907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505929450 (or 2505929444 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The spelling of 67660094907 in words is "sixty-seven billion, six hundred sixty million, ninety-four thousand, nine hundred seven".