169242475 has 6 divisors (see below), whose sum is σ = 209860700. Its totient is φ = 135393960.

The previous prime is 169242449. The next prime is 169242499. The reversal of 169242475 is 574242961.

It is not a de Polignac number, because 169242475 - 2¹⁵ = 169209707 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3384825 + ... + 3384874.

Almost surely, 2^169242475 is an apocalyptic number.

169242475 is a deficient number, since it is larger than the sum of its proper divisors (40618225).

169242475 is an equidigital number, since it uses as much as digits as its factorization.

169242475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6769709 (or 6769704 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 169242475 is about 13009.3226187992. The cubic root of 169242475 is about 553.1417711195.

The spelling of 169242475 in words is "one hundred sixty-nine million, two hundred forty-two thousand, four hundred seventy-five".