3663165190897 has 2 divisors, whose sum is σ = 3663165190898. Its totient is φ = 3663165190896.

The previous prime is 3663165190807. The next prime is 3663165190957. The reversal of 3663165190897 is 7980915613663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3238707728881 + 424457462016 = 1799641^2 + 651504^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3663165190897 is a prime.

It is not a weakly prime, because it can be changed into another prime (3663165190807) 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, 1831582595448 + 1831582595449.

It is an arithmetic number, because the mean of its divisors is an integer number (1831582595449).

Almost surely, 2^{3663165190897} is an apocalyptic number.

It is an amenable number.

3663165190897 is a deficient number, since it is larger than the sum of its proper divisors (1).

3663165190897 is an equidigital number, since it uses as much as digits as its factorization.

3663165190897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44089920, while the sum is 64.

The spelling of 3663165190897 in words is "three trillion, six hundred sixty-three billion, one hundred sixty-five million, one hundred ninety thousand, eight hundred ninety-seven".