266010146146501 has 2 divisors, whose sum is σ = 266010146146502. Its totient is φ = 266010146146500.

The previous prime is 266010146146499. The next prime is 266010146146541. The reversal of 266010146146501 is 105641641010662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211529361314401 + 54480784832100 = 14544049^2 + 7381110^2 .

It is a cyclic number.

It is not a de Polignac number, because 266010146146501 - 2¹ = 266010146146499 is a prime.

It is a super-2 number, since 2×266010146146501² (a number of 30 digits) contains 22 as substring.

Together with 266010146146499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266010146146541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133005073073250 + 133005073073251.

It is an arithmetic number, because the mean of its divisors is an integer number (133005073073251).

Almost surely, 2^{266010146146501} is an apocalyptic number.

It is an amenable number.

266010146146501 is a deficient number, since it is larger than the sum of its proper divisors (1).

266010146146501 is an equidigital number, since it uses as much as digits as its factorization.

266010146146501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 266010146146501 in words is "two hundred sixty-six trillion, ten billion, one hundred forty-six million, one hundred forty-six thousand, five hundred one".