667503154315357 has 2 divisors, whose sum is σ = 667503154315358. Its totient is φ = 667503154315356.

The previous prime is 667503154315331. The next prime is 667503154315489. The reversal of 667503154315357 is 753513451305766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 602222103165796 + 65281051149561 = 24540214^2 + 8079669^2 .

It is a cyclic number.

It is not a de Polignac number, because 667503154315357 - 2¹⁵ = 667503154282589 is a prime.

It is a super-2 number, since 2×667503154315357² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 667503154315295 and 667503154315304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667503154355357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333751577157678 + 333751577157679.

It is an arithmetic number, because the mean of its divisors is an integer number (333751577157679).

Almost surely, 2^{667503154315357} is an apocalyptic number.

It is an amenable number.

667503154315357 is a deficient number, since it is larger than the sum of its proper divisors (1).

667503154315357 is an equidigital number, since it uses as much as digits as its factorization.

667503154315357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 119070000, while the sum is 61.

The spelling of 667503154315357 in words is "six hundred sixty-seven trillion, five hundred three billion, one hundred fifty-four million, three hundred fifteen thousand, three hundred fifty-seven".