161734067 has 16 divisors (see below), whose sum is σ = 182332512. Its totient is φ = 142168320.

The previous prime is 161734063. The next prime is 161734087. The reversal of 161734067 is 760437161.

It is a cyclic number.

It is not a de Polignac number, because 161734067 - 2² = 161734063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161734063) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 69263 + ... + 71559.

It is an arithmetic number, because the mean of its divisors is an integer number (11395782).

Almost surely, 2^161734067 is an apocalyptic number.

161734067 is a deficient number, since it is larger than the sum of its proper divisors (20598445).

161734067 is a wasteful number, since it uses less digits than its factorization.

161734067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 161734067 is about 12717.4709356853. The cubic root of 161734067 is about 544.8377229172.

The spelling of 161734067 in words is "one hundred sixty-one million, seven hundred thirty-four thousand, sixty-seven".