161427174 has 16 divisors (see below), whose sum is σ = 323578800. Its totient is φ = 53688320.

The previous prime is 161427151. The next prime is 161427181. The reversal of 161427174 is 471724161.

It is a congruent number.

It is an unprimeable number.

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, 27267 + ... + 32654.

It is an arithmetic number, because the mean of its divisors is an integer number (20223675).

Almost surely, 2^161427174 is an apocalyptic number.

161427174 is an abundant number, since it is smaller than the sum of its proper divisors (162151626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161427174 is a wasteful number, since it uses less digits than its factorization.

161427174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60375.

The product of its digits is 9408, while the sum is 33.

The square root of 161427174 is about 12705.3994034033. The cubic root of 161427174 is about 544.4928919295.

The spelling of 161427174 in words is "one hundred sixty-one million, four hundred twenty-seven thousand, one hundred seventy-four".