161047435 has 8 divisors (see below), whose sum is σ = 193452336. Its totient is φ = 128707680.

The previous prime is 161047433. The next prime is 161047457. The reversal of 161047435 is 534740161.

161047435 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 161047435 - 2¹ = 161047433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161047397 and 161047406.

It is not an unprimeable number, because it can be changed into a prime (161047433) 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, 10669 + ... + 20878.

It is an arithmetic number, because the mean of its divisors is an integer number (24181542).

Almost surely, 2^161047435 is an apocalyptic number.

161047435 is a deficient number, since it is larger than the sum of its proper divisors (32404901).

161047435 is a wasteful number, since it uses less digits than its factorization.

161047435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32573.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 161047435 is about 12690.4466036464. The cubic root of 161047435 is about 544.0656042475.

Adding to 161047435 its reverse (534740161), we get a palindrome (695787596).

The spelling of 161047435 in words is "one hundred sixty-one million, forty-seven thousand, four hundred thirty-five".