665092290601 has 2 divisors, whose sum is σ = 665092290602. Its totient is φ = 665092290600.

The previous prime is 665092290547. The next prime is 665092290617. The reversal of 665092290601 is 106092290566.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 592863040576 + 72229250025 = 769976^2 + 268755^2 .

It is a cyclic number.

It is not a de Polignac number, because 665092290601 - 2⁹ = 665092290089 is a prime.

It is not a weakly prime, because it can be changed into another prime (665092290101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332546145300 + 332546145301.

It is an arithmetic number, because the mean of its divisors is an integer number (332546145301).

Almost surely, 2^665092290601 is an apocalyptic number.

It is an amenable number.

665092290601 is a deficient number, since it is larger than the sum of its proper divisors (1).

665092290601 is an equidigital number, since it uses as much as digits as its factorization.

665092290601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 665092290601 in words is "six hundred sixty-five billion, ninety-two million, two hundred ninety thousand, six hundred one".