7363251661 has 2 divisors, whose sum is σ = 7363251662. Its totient is φ = 7363251660.

The previous prime is 7363251629. The next prime is 7363251677. The reversal of 7363251661 is 1661523637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3739934025 + 3623317636 = 61155^2 + 60194^2 .

It is a cyclic number.

It is not a de Polignac number, because 7363251661 - 2⁵ = 7363251629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7363251611) 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, 3681625830 + 3681625831.

It is an arithmetic number, because the mean of its divisors is an integer number (3681625831).

Almost surely, 2^7363251661 is an apocalyptic number.

It is an amenable number.

7363251661 is a deficient number, since it is larger than the sum of its proper divisors (1).

7363251661 is an equidigital number, since it uses as much as digits as its factorization.

7363251661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 40.

The square root of 7363251661 is about 85809.3914498873. The cubic root of 7363251661 is about 1945.4640712359.

The spelling of 7363251661 in words is "seven billion, three hundred sixty-three million, two hundred fifty-one thousand, six hundred sixty-one".