161533342 has 16 divisors (see below), whose sum is σ = 249359040. Its totient is φ = 78422688.

The previous prime is 161533331. The next prime is 161533357. The reversal of 161533342 is 243335161.

161533342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 161533342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39259 + ... + 43177.

It is an arithmetic number, because the mean of its divisors is an integer number (15584940).

Almost surely, 2^161533342 is an apocalyptic number.

161533342 is a deficient number, since it is larger than the sum of its proper divisors (87825698).

161533342 is a wasteful number, since it uses less digits than its factorization.

161533342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4515.

The product of its digits is 6480, while the sum is 28.

The square root of 161533342 is about 12709.5767828831. The cubic root of 161533342 is about 544.6122337799.

The spelling of 161533342 in words is "one hundred sixty-one million, five hundred thirty-three thousand, three hundred forty-two".