667437741101 has 2 divisors, whose sum is σ = 667437741102. Its totient is φ = 667437741100.

The previous prime is 667437741053. The next prime is 667437741163. The reversal of 667437741101 is 101147734766.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 585111785476 + 82325955625 = 764926^2 + 286925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-667437741101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667437741601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333718870550 + 333718870551.

It is an arithmetic number, because the mean of its divisors is an integer number (333718870551).

Almost surely, 2^667437741101 is an apocalyptic number.

It is an amenable number.

667437741101 is a deficient number, since it is larger than the sum of its proper divisors (1).

667437741101 is an equidigital number, since it uses as much as digits as its factorization.

667437741101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 667437741101 in words is "six hundred sixty-seven billion, four hundred thirty-seven million, seven hundred forty-one thousand, one hundred one".