165401429 has 8 divisors (see below), whose sum is σ = 167938560. Its totient is φ = 162871776.

The previous prime is 165401419. The next prime is 165401443. The reversal of 165401429 is 924104561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165401429 - 2¹⁶ = 165335893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165401395 and 165401404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165401419) 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 7 ways as a sum of consecutive naturals, for example, 56012 + ... + 58890.

It is an arithmetic number, because the mean of its divisors is an integer number (20992320).

Almost surely, 2^165401429 is an apocalyptic number.

It is an amenable number.

165401429 is a deficient number, since it is larger than the sum of its proper divisors (2537131).

165401429 is an equidigital number, since it uses as much as digits as its factorization.

165401429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3739.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 165401429 is about 12860.8486889474. The cubic root of 165401429 is about 548.9250950943.

The spelling of 165401429 in words is "one hundred sixty-five million, four hundred one thousand, four hundred twenty-nine".