266670015190001 has 2 divisors, whose sum is σ = 266670015190002. Its totient is φ = 266670015190000.

The previous prime is 266670015189997. The next prime is 266670015190081. The reversal of 266670015190001 is 100091510076662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188317847181025 + 78352168008976 = 13722895^2 + 8851676^2 .

It is a cyclic number.

It is not a de Polignac number, because 266670015190001 - 2² = 266670015189997 is a prime.

It is a super-2 number, since 2×266670015190001² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (266670015190081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133335007595000 + 133335007595001.

It is an arithmetic number, because the mean of its divisors is an integer number (133335007595001).

Almost surely, 2^{266670015190001} is an apocalyptic number.

It is an amenable number.

266670015190001 is a deficient number, since it is larger than the sum of its proper divisors (1).

266670015190001 is an equidigital number, since it uses as much as digits as its factorization.

266670015190001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 266670015190001 in words is "two hundred sixty-six trillion, six hundred seventy billion, fifteen million, one hundred ninety thousand, one".