161008442 has 8 divisors (see below), whose sum is σ = 276014496. Its totient is φ = 69003612.

The previous prime is 161008439. The next prime is 161008447. The reversal of 161008442 is 244800161.

161008442 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 an unprimeable number, because it can be changed into a prime (161008447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5750288 + ... + 5750315.

It is an arithmetic number, because the mean of its divisors is an integer number (34501812).

Almost surely, 2^161008442 is an apocalyptic number.

161008442 is a deficient number, since it is larger than the sum of its proper divisors (115006054).

161008442 is a wasteful number, since it uses less digits than its factorization.

161008442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11500612.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 161008442 is about 12688.9101974914. The cubic root of 161008442 is about 544.0216907621.

It can be divided in two parts, 16100 and 8442, that added together give a palindrome (24542).

The spelling of 161008442 in words is "one hundred sixty-one million, eight thousand, four hundred forty-two".