667350470551 has 2 divisors, whose sum is σ = 667350470552. Its totient is φ = 667350470550.

The previous prime is 667350470543. The next prime is 667350470603. The reversal of 667350470551 is 155074053766.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 667350470551 - 2³ = 667350470543 is a prime.

It is a super-2 number, since 2×667350470551² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 667350470495 and 667350470504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667350470951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333675235275 + 333675235276.

It is an arithmetic number, because the mean of its divisors is an integer number (333675235276).

Almost surely, 2^667350470551 is an apocalyptic number.

667350470551 is a deficient number, since it is larger than the sum of its proper divisors (1).

667350470551 is an equidigital number, since it uses as much as digits as its factorization.

667350470551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646000, while the sum is 49.

The spelling of 667350470551 in words is "six hundred sixty-seven billion, three hundred fifty million, four hundred seventy thousand, five hundred fifty-one".