161576147 has 2 divisors, whose sum is σ = 161576148. Its totient is φ = 161576146.

The previous prime is 161576141. The next prime is 161576179. The reversal of 161576147 is 741675161.

161576147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161576147 - 2¹² = 161572051 is a prime.

It is a super-3 number, since 3×161576147³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 161576147.

It is not a weakly prime, because it can be changed into another prime (161576141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80788073 + 80788074.

It is an arithmetic number, because the mean of its divisors is an integer number (80788074).

Almost surely, 2^161576147 is an apocalyptic number.

161576147 is a deficient number, since it is larger than the sum of its proper divisors (1).

161576147 is an equidigital number, since it uses as much as digits as its factorization.

161576147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 38.

The square root of 161576147 is about 12711.2606377180. The cubic root of 161576147 is about 544.6603354442.

The spelling of 161576147 in words is "one hundred sixty-one million, five hundred seventy-six thousand, one hundred forty-seven".