266044216153 has 2 divisors, whose sum is σ = 266044216154. Its totient is φ = 266044216152.

The previous prime is 266044216129. The next prime is 266044216231. The reversal of 266044216153 is 351612440662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206445735769 + 59598480384 = 454363^2 + 244128^2 .

It is a cyclic number.

It is not a de Polignac number, because 266044216153 - 2¹⁷ = 266044085081 is a prime.

It is a super-2 number, since 2×266044216153² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (266044216853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133022108076 + 133022108077.

It is an arithmetic number, because the mean of its divisors is an integer number (133022108077).

Almost surely, 2^266044216153 is an apocalyptic number.

It is an amenable number.

266044216153 is a deficient number, since it is larger than the sum of its proper divisors (1).

266044216153 is an equidigital number, since it uses as much as digits as its factorization.

266044216153 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 40.

The spelling of 266044216153 in words is "two hundred sixty-six billion, forty-four million, two hundred sixteen thousand, one hundred fifty-three".