165560147 has 2 divisors, whose sum is σ = 165560148. Its totient is φ = 165560146.

The previous prime is 165560117. The next prime is 165560201. The reversal of 165560147 is 741065561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165560147 - 2¹⁰ = 165559123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (165560117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82780073 + 82780074.

It is an arithmetic number, because the mean of its divisors is an integer number (82780074).

Almost surely, 2^165560147 is an apocalyptic number.

165560147 is a deficient number, since it is larger than the sum of its proper divisors (1).

165560147 is an equidigital number, since it uses as much as digits as its factorization.

165560147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 165560147 is about 12867.0177974541. The cubic root of 165560147 is about 549.1006204624.

The spelling of 165560147 in words is "one hundred sixty-five million, five hundred sixty thousand, one hundred forty-seven".