169490453 has 8 divisors (see below), whose sum is σ = 185055840. Its totient is φ = 153951280.

The previous prime is 169490429. The next prime is 169490467. The reversal of 169490453 is 354094961.

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 169490453 - 2¹² = 169486357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 169490453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169490353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8483 + ... + 20271.

It is an arithmetic number, because the mean of its divisors is an integer number (23131980).

Almost surely, 2^169490453 is an apocalyptic number.

It is an amenable number.

169490453 is a deficient number, since it is larger than the sum of its proper divisors (15565387).

169490453 is a wasteful number, since it uses less digits than its factorization.

169490453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13107.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 169490453 is about 13018.8499108024. The cubic root of 169490453 is about 553.4117979969.

The spelling of 169490453 in words is "one hundred sixty-nine million, four hundred ninety thousand, four hundred fifty-three".