88453491661 has 2 divisors, whose sum is σ = 88453491662. Its totient is φ = 88453491660.

The previous prime is 88453491631. The next prime is 88453491683. The reversal of 88453491661 is 16619435488.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52994342025 + 35459149636 = 230205^2 + 188306^2 .

It is a cyclic number.

It is not a de Polignac number, because 88453491661 - 2¹¹ = 88453489613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88453491631) 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, 44226745830 + 44226745831.

It is an arithmetic number, because the mean of its divisors is an integer number (44226745831).

Almost surely, 2^88453491661 is an apocalyptic number.

It is an amenable number.

88453491661 is a deficient number, since it is larger than the sum of its proper divisors (1).

88453491661 is an equidigital number, since it uses as much as digits as its factorization.

88453491661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 55.

The spelling of 88453491661 in words is "eighty-eight billion, four hundred fifty-three million, four hundred ninety-one thousand, six hundred sixty-one".