7514086166981 has 2 divisors, whose sum is σ = 7514086166982. Its totient is φ = 7514086166980.

The previous prime is 7514086166893. The next prime is 7514086167019. The reversal of 7514086166981 is 1896616804157.

7514086166981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7226774086756 + 287312080225 = 2688266^2 + 536015^2 .

It is an emirp because it is prime and its reverse (1896616804157) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7514086166981 - 2³⁰ = 7513012425157 is a prime.

It is a super-2 number, since 2×7514086166981² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7514086166281) 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, 3757043083490 + 3757043083491.

It is an arithmetic number, because the mean of its divisors is an integer number (3757043083491).

Almost surely, 2^{7514086166981} is an apocalyptic number.

It is an amenable number.

7514086166981 is a deficient number, since it is larger than the sum of its proper divisors (1).

7514086166981 is an equidigital number, since it uses as much as digits as its factorization.

7514086166981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17418240, while the sum is 62.

The spelling of 7514086166981 in words is "seven trillion, five hundred fourteen billion, eighty-six million, one hundred sixty-six thousand, nine hundred eighty-one".