53660165101 has 2 divisors, whose sum is σ = 53660165102. Its totient is φ = 53660165100.

The previous prime is 53660165023. The next prime is 53660165149. The reversal of 53660165101 is 10156106635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49920964900 + 3739200201 = 223430^2 + 61149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53660165101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53660165171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26830082550 + 26830082551.

It is an arithmetic number, because the mean of its divisors is an integer number (26830082551).

Almost surely, 2^53660165101 is an apocalyptic number.

It is an amenable number.

53660165101 is a deficient number, since it is larger than the sum of its proper divisors (1).

53660165101 is an equidigital number, since it uses as much as digits as its factorization.

53660165101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 53660165101 in words is "fifty-three billion, six hundred sixty million, one hundred sixty-five thousand, one hundred one".