161539341 has 8 divisors (see below), whose sum is σ = 216758304. Its totient is φ = 107006640.

The previous prime is 161539337. The next prime is 161539351. The reversal of 161539341 is 143935161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 161539341 - 2² = 161539337 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161539351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171015 + ... + 171956.

It is an arithmetic number, because the mean of its divisors is an integer number (27094788).

Almost surely, 2^161539341 is an apocalyptic number.

It is an amenable number.

161539341 is a deficient number, since it is larger than the sum of its proper divisors (55218963).

161539341 is a wasteful number, since it uses less digits than its factorization.

161539341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343131.

The product of its digits is 9720, while the sum is 33.

The square root of 161539341 is about 12709.8127838297. The cubic root of 161539341 is about 544.6189756044.

The spelling of 161539341 in words is "one hundred sixty-one million, five hundred thirty-nine thousand, three hundred forty-one".