30536106661 has 2 divisors, whose sum is σ = 30536106662. Its totient is φ = 30536106660.

The previous prime is 30536106619. The next prime is 30536106691. The reversal of 30536106661 is 16660163503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26104541761 + 4431564900 = 161569^2 + 66570^2 .

It is an emirp because it is prime and its reverse (16660163503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30536106661 - 2¹⁹ = 30535582373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30536106661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30536106691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15268053330 + 15268053331.

It is an arithmetic number, because the mean of its divisors is an integer number (15268053331).

Almost surely, 2^30536106661 is an apocalyptic number.

It is an amenable number.

30536106661 is a deficient number, since it is larger than the sum of its proper divisors (1).

30536106661 is an equidigital number, since it uses as much as digits as its factorization.

30536106661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 37.

The spelling of 30536106661 in words is "thirty billion, five hundred thirty-six million, one hundred six thousand, six hundred sixty-one".