6667006737407 has 2 divisors, whose sum is σ = 6667006737408. Its totient is φ = 6667006737406.

The previous prime is 6667006737371. The next prime is 6667006737409. The reversal of 6667006737407 is 7047376007666.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6667006737407 is a prime.

Together with 6667006737409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6667006737409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333503368703 + 3333503368704.

It is an arithmetic number, because the mean of its divisors is an integer number (3333503368704).

Almost surely, 2^{6667006737407} is an apocalyptic number.

6667006737407 is a deficient number, since it is larger than the sum of its proper divisors (1).

6667006737407 is an equidigital number, since it uses as much as digits as its factorization.

6667006737407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37340352, while the sum is 59.

The spelling of 6667006737407 in words is "six trillion, six hundred sixty-seven billion, six million, seven hundred thirty-seven thousand, four hundred seven".