161735327 has 4 divisors (see below), whose sum is σ = 174176520. Its totient is φ = 149294136.

The previous prime is 161735317. The next prime is 161735393. The reversal of 161735327 is 723537161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 161735327 - 2²⁰ = 160686751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161735317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6220577 + ... + 6220602.

It is an arithmetic number, because the mean of its divisors is an integer number (43544130).

Almost surely, 2^161735327 is an apocalyptic number.

161735327 is a deficient number, since it is larger than the sum of its proper divisors (12441193).

161735327 is a wasteful number, since it uses less digits than its factorization.

161735327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12441192.

The product of its digits is 26460, while the sum is 35.

The square root of 161735327 is about 12717.5204737402. The cubic root of 161735327 is about 544.8391377783.

The spelling of 161735327 in words is "one hundred sixty-one million, seven hundred thirty-five thousand, three hundred twenty-seven".