169081129 has 8 divisors (see below), whose sum is σ = 194626880. Its totient is φ = 143883216.

The previous prime is 169081123. The next prime is 169081141. The reversal of 169081129 is 921180961.

169081129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 169081129 - 2⁵ = 169081097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (169081123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85914 + ... + 87859.

It is an arithmetic number, because the mean of its divisors is an integer number (24328360).

Almost surely, 2^169081129 is an apocalyptic number.

It is an amenable number.

169081129 is a deficient number, since it is larger than the sum of its proper divisors (25545751).

169081129 is a wasteful number, since it uses less digits than its factorization.

169081129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173919.

The product of its (nonzero) digits is 7776, while the sum is 37.

The square root of 169081129 is about 13003.1199717606. The cubic root of 169081129 is about 552.9659374263.

The spelling of 169081129 in words is "one hundred sixty-nine million, eighty-one thousand, one hundred twenty-nine".