667196019931139 has 2 divisors, whose sum is σ = 667196019931140. Its totient is φ = 667196019931138.

The previous prime is 667196019931099. The next prime is 667196019931171. The reversal of 667196019931139 is 931139910691766.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 667196019931139 - 2²⁴ = 667196003153923 is a prime.

It is not a weakly prime, because it can be changed into another prime (667196019931039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333598009965569 + 333598009965570.

It is an arithmetic number, because the mean of its divisors is an integer number (333598009965570).

Almost surely, 2^{667196019931139} is an apocalyptic number.

667196019931139 is a deficient number, since it is larger than the sum of its proper divisors (1).

667196019931139 is an equidigital number, since it uses as much as digits as its factorization.

667196019931139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 89282088, while the sum is 71.

The spelling of 667196019931139 in words is "six hundred sixty-seven trillion, one hundred ninety-six billion, nineteen million, nine hundred thirty-one thousand, one hundred thirty-nine".