169054427 has 4 divisors (see below), whose sum is σ = 174883920. Its totient is φ = 163224936.

The previous prime is 169054423. The next prime is 169054429. The reversal of 169054427 is 724450961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724450961 = 13 ⋅55726997.

It is a cyclic number.

It is not a de Polignac number, because 169054427 - 2² = 169054423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (169054421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2914703 + ... + 2914760.

It is an arithmetic number, because the mean of its divisors is an integer number (43720980).

Almost surely, 2^169054427 is an apocalyptic number.

169054427 is a deficient number, since it is larger than the sum of its proper divisors (5829493).

169054427 is an equidigital number, since it uses as much as digits as its factorization.

169054427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5829492.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 169054427 is about 13002.0931776387. The cubic root of 169054427 is about 552.9368269949.

The spelling of 169054427 in words is "one hundred sixty-nine million, fifty-four thousand, four hundred twenty-seven".