161147357 has 8 divisors (see below), whose sum is σ = 184364736. Its totient is φ = 137979072.

The previous prime is 161147353. The next prime is 161147381. The reversal of 161147357 is 753741161.

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

It is not a de Polignac number, because 161147357 - 2² = 161147353 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 (161147353) 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 7 ways as a sum of consecutive naturals, for example, 4943 + ... + 18620.

It is an arithmetic number, because the mean of its divisors is an integer number (23045592).

Almost surely, 2^161147357 is an apocalyptic number.

It is an amenable number.

161147357 is a deficient number, since it is larger than the sum of its proper divisors (23217379).

161147357 is an equidigital number, since it uses as much as digits as its factorization.

161147357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24547.

The product of its digits is 17640, while the sum is 35.

The square root of 161147357 is about 12694.3828916572. The cubic root of 161147357 is about 544.1781029527.

The spelling of 161147357 in words is "one hundred sixty-one million, one hundred forty-seven thousand, three hundred fifty-seven".