667231535153 has 2 divisors, whose sum is σ = 667231535154. Its totient is φ = 667231535152.

The previous prime is 667231535129. The next prime is 667231535167. The reversal of 667231535153 is 351535132766.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 603693258529 + 63538276624 = 776977^2 + 252068^2 .

It is a cyclic number.

It is not a de Polignac number, because 667231535153 - 2¹⁴ = 667231518769 is a prime.

It is a super-3 number, since 3×667231535153³ (a number of 36 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 667231535098 and 667231535107.

It is not a weakly prime, because it can be changed into another prime (667231535183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333615767576 + 333615767577.

It is an arithmetic number, because the mean of its divisors is an integer number (333615767577).

Almost surely, 2^667231535153 is an apocalyptic number.

It is an amenable number.

667231535153 is a deficient number, since it is larger than the sum of its proper divisors (1).

667231535153 is an equidigital number, since it uses as much as digits as its factorization.

667231535153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1701000, while the sum is 47.

The spelling of 667231535153 in words is "six hundred sixty-seven billion, two hundred thirty-one million, five hundred thirty-five thousand, one hundred fifty-three".