165660283829 has 2 divisors, whose sum is σ = 165660283830. Its totient is φ = 165660283828.

The previous prime is 165660283787. The next prime is 165660283879. The reversal of 165660283829 is 928382066561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83677132900 + 81983150929 = 289270^2 + 286327^2 .

It is a cyclic number.

It is not a de Polignac number, because 165660283829 - 2²⁰ = 165659235253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165660283879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82830141914 + 82830141915.

It is an arithmetic number, because the mean of its divisors is an integer number (82830141915).

Almost surely, 2^165660283829 is an apocalyptic number.

It is an amenable number.

165660283829 is a deficient number, since it is larger than the sum of its proper divisors (1).

165660283829 is an equidigital number, since it uses as much as digits as its factorization.

165660283829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7464960, while the sum is 56.

The spelling of 165660283829 in words is "one hundred sixty-five billion, six hundred sixty million, two hundred eighty-three thousand, eight hundred twenty-nine".