165000429 has 16 divisors (see below), whose sum is σ = 266667840. Its totient is φ = 100000080.

The previous prime is 165000397. The next prime is 165000439. The reversal of 165000429 is 924000561.

165000429 is a `hidden beast` number, since 1 + 650 + 0 + 0 + 4 + 2 + 9 = 666.

It is not a de Polignac number, because 165000429 - 2⁵ = 165000397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

165000429 is a modest number, since divided by 429 gives 165 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165000439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277482 + ... + 278075.

It is an arithmetic number, because the mean of its divisors is an integer number (16666740).

Almost surely, 2^165000429 is an apocalyptic number.

It is an amenable number.

165000429 is a deficient number, since it is larger than the sum of its proper divisors (101667411).

165000429 is a wasteful number, since it uses less digits than its factorization.

165000429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555577 (or 555571 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 165000429 is about 12845.2492774566. The cubic root of 165000429 is about 548.4811305928.

The spelling of 165000429 in words is "one hundred sixty-five million, four hundred twenty-nine", and thus it is an aban number.