667237248031 has 2 divisors, whose sum is σ = 667237248032. Its totient is φ = 667237248030.

The previous prime is 667237248023. The next prime is 667237248077. The reversal of 667237248031 is 130842732766.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 667237248031 - 2³ = 667237248023 is a prime.

It is a super-2 number, since 2×667237248031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667237248331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333618624015 + 333618624016.

It is an arithmetic number, because the mean of its divisors is an integer number (333618624016).

Almost surely, 2^667237248031 is an apocalyptic number.

667237248031 is a deficient number, since it is larger than the sum of its proper divisors (1).

667237248031 is an equidigital number, since it uses as much as digits as its factorization.

667237248031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 667237248031 in words is "six hundred sixty-seven billion, two hundred thirty-seven million, two hundred forty-eight thousand, thirty-one".