366165641 has 2 divisors, whose sum is σ = 366165642. Its totient is φ = 366165640.

The previous prime is 366165619. The next prime is 366165647. The reversal of 366165641 is 146561663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339333241 + 26832400 = 18421^2 + 5180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-366165641 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 366165595 and 366165604.

It is not a weakly prime, because it can be changed into another prime (366165647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183082820 + 183082821.

It is an arithmetic number, because the mean of its divisors is an integer number (183082821).

Almost surely, 2^366165641 is an apocalyptic number.

It is an amenable number.

366165641 is a deficient number, since it is larger than the sum of its proper divisors (1).

366165641 is an equidigital number, since it uses as much as digits as its factorization.

366165641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 38.

The square root of 366165641 is about 19135.4550768985. The cubic root of 366165641 is about 715.4169026096.

The spelling of 366165641 in words is "three hundred sixty-six million, one hundred sixty-five thousand, six hundred forty-one".