165147195 has 32 divisors (see below), whose sum is σ = 270397440. Its totient is φ = 86044160.

The previous prime is 165147193. The next prime is 165147211. The reversal of 165147195 is 591741561.

It is not a de Polignac number, because 165147195 - 2¹ = 165147193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165147193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168547 + ... + 169523.

It is an arithmetic number, because the mean of its divisors is an integer number (8449920).

Almost surely, 2^165147195 is an apocalyptic number.

165147195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165147195 is a deficient number, since it is larger than the sum of its proper divisors (105250245).

165147195 is a wasteful number, since it uses less digits than its factorization.

165147195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235.

The product of its digits is 37800, while the sum is 39.

The square root of 165147195 is about 12850.9608590175. The cubic root of 165147195 is about 548.6437049699.

The spelling of 165147195 in words is "one hundred sixty-five million, one hundred forty-seven thousand, one hundred ninety-five".