165528147 has 16 divisors (see below), whose sum is σ = 224084480. Its totient is φ = 108669600.

The previous prime is 165528137. The next prime is 165528151. The reversal of 165528147 is 741825561.

It is not a de Polignac number, because 165528147 - 2¹⁴ = 165511763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165528137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127572 + ... + 128862.

It is an arithmetic number, because the mean of its divisors is an integer number (14005280).

Almost surely, 2^165528147 is an apocalyptic number.

165528147 is a deficient number, since it is larger than the sum of its proper divisors (58556333).

165528147 is a wasteful number, since it uses less digits than its factorization.

165528147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914.

The product of its digits is 67200, while the sum is 39.

The square root of 165528147 is about 12865.7742479806. The cubic root of 165528147 is about 549.0652408690.

The spelling of 165528147 in words is "one hundred sixty-five million, five hundred twenty-eight thousand, one hundred forty-seven".