165469149 has 28 divisors (see below), whose sum is σ = 252225052. Its totient is φ = 108504360.

The previous prime is 165469147. The next prime is 165469151. The reversal of 165469149 is 941964561.

It is a happy number.

The cubic root of 165469149 is 549.

It is a perfect power (a cube), and thus also a powerful number.

165469149 is a `hidden beast` number, since 16 + 546 + 91 + 4 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (165469147) and next prime (165469151).

It can be written as a sum of positive squares in 2 ways, for example, as 39917124 + 125552025 = 6318^2 + 11205^2 .

It is not a de Polignac number, because 165469149 - 2¹ = 165469147 is a prime.

It is a Duffinian number.

Its product of digits (233280) is a multiple of the sum of its prime divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165469147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2712579 + ... + 2712639.

Almost surely, 2^165469149 is an apocalyptic number.

It is an amenable number.

165469149 is a deficient number, since it is larger than the sum of its proper divisors (86755903).

165469149 is an frugal number, since it uses more digits than its factorization.

165469149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 64 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 165469149 is about 12863.4812162183.

The spelling of 165469149 in words is "one hundred sixty-five million, four hundred sixty-nine thousand, one hundred forty-nine".