161067242 has 32 divisors (see below), whose sum is σ = 280547328. Its totient is φ = 67931136.

The previous prime is 161067241. The next prime is 161067259. The reversal of 161067242 is 242760161.

161067242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (161067241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278858 + ... + 279434.

It is an arithmetic number, because the mean of its divisors is an integer number (8767104).

Almost surely, 2^161067242 is an apocalyptic number.

161067242 is a deficient number, since it is larger than the sum of its proper divisors (119480086).

161067242 is a wasteful number, since it uses less digits than its factorization.

161067242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 161067242 is about 12691.2269698402. The cubic root of 161067242 is about 544.0879079571.

The spelling of 161067242 in words is "one hundred sixty-one million, sixty-seven thousand, two hundred forty-two".