165348737 has 2 divisors, whose sum is σ = 165348738. Its totient is φ = 165348736.

The previous prime is 165348731. The next prime is 165348767. The reversal of 165348737 is 737843561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83192641 + 82156096 = 9121^2 + 9064^2 .

It is a cyclic number.

It is not a de Polignac number, because 165348737 - 2⁸ = 165348481 is a prime.

It is not a weakly prime, because it can be changed into another prime (165348731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82674368 + 82674369.

It is an arithmetic number, because the mean of its divisors is an integer number (82674369).

Almost surely, 2^165348737 is an apocalyptic number.

It is an amenable number.

165348737 is a deficient number, since it is larger than the sum of its proper divisors (1).

165348737 is an equidigital number, since it uses as much as digits as its factorization.

165348737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The square root of 165348737 is about 12858.7999828911. The cubic root of 165348737 is about 548.8667984736.

The spelling of 165348737 in words is "one hundred sixty-five million, three hundred forty-eight thousand, seven hundred thirty-seven".