165152447 has 2 divisors, whose sum is σ = 165152448. Its totient is φ = 165152446.

The previous prime is 165152371. The next prime is 165152453. The reversal of 165152447 is 744251561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 165152447 - 2¹² = 165148351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165152147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82576223 + 82576224.

It is an arithmetic number, because the mean of its divisors is an integer number (82576224).

Almost surely, 2^165152447 is an apocalyptic number.

165152447 is a deficient number, since it is larger than the sum of its proper divisors (1).

165152447 is an equidigital number, since it uses as much as digits as its factorization.

165152447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 35.

The square root of 165152447 is about 12851.1652000898. The cubic root of 165152447 is about 548.6495208850.

The spelling of 165152447 in words is "one hundred sixty-five million, one hundred fifty-two thousand, four hundred forty-seven".