45461660452661 has 2 divisors, whose sum is σ = 45461660452662. Its totient is φ = 45461660452660.

The previous prime is 45461660452657. The next prime is 45461660452669. The reversal of 45461660452661 is 16625406616454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36214891730161 + 9246768722500 = 6017881^2 + 3040850^2 .

It is a cyclic number.

It is not a de Polignac number, because 45461660452661 - 2² = 45461660452657 is a prime.

It is a super-2 number, since 2×45461660452661² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45461660452597 and 45461660452606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45461660452669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22730830226330 + 22730830226331.

It is an arithmetic number, because the mean of its divisors is an integer number (22730830226331).

Almost surely, 2^{45461660452661} is an apocalyptic number.

It is an amenable number.

45461660452661 is a deficient number, since it is larger than the sum of its proper divisors (1).

45461660452661 is an equidigital number, since it uses as much as digits as its factorization.

45461660452661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24883200, while the sum is 56.

The spelling of 45461660452661 in words is "forty-five trillion, four hundred sixty-one billion, six hundred sixty million, four hundred fifty-two thousand, six hundred sixty-one".