66673403374007 has 2 divisors, whose sum is σ = 66673403374008. Its totient is φ = 66673403374006.

The previous prime is 66673403373979. The next prime is 66673403374013. The reversal of 66673403374007 is 70047330437666.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66673403374007 - 2⁶ = 66673403373943 is a prime.

It is a super-3 number, since 3×66673403374007³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66673403304007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33336701687003 + 33336701687004.

It is an arithmetic number, because the mean of its divisors is an integer number (33336701687004).

Almost surely, 2^{66673403374007} is an apocalyptic number.

66673403374007 is a deficient number, since it is larger than the sum of its proper divisors (1).

66673403374007 is an equidigital number, since it uses as much as digits as its factorization.

66673403374007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32006016, while the sum is 56.

The spelling of 66673403374007 in words is "sixty-six trillion, six hundred seventy-three billion, four hundred three million, three hundred seventy-four thousand, seven".