161159351 has 8 divisors (see below), whose sum is σ = 167415600. Its totient is φ = 154949760.

The previous prime is 161159347. The next prime is 161159353. The reversal of 161159351 is 153951161.

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

It is a cyclic number.

It is not a de Polignac number, because 161159351 - 2² = 161159347 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 (161159353) 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, 4541 + ... + 18518.

It is an arithmetic number, because the mean of its divisors is an integer number (20926950).

Almost surely, 2^161159351 is an apocalyptic number.

161159351 is a deficient number, since it is larger than the sum of its proper divisors (6256249).

161159351 is a wasteful number, since it uses less digits than its factorization.

161159351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23329.

The product of its digits is 4050, while the sum is 32.

The square root of 161159351 is about 12694.8552965365. The cubic root of 161159351 is about 544.1916034539.

The spelling of 161159351 in words is "one hundred sixty-one million, one hundred fifty-nine thousand, three hundred fifty-one".