161369542 has 8 divisors (see below), whose sum is σ = 256292856. Its totient is φ = 75938592.

The previous prime is 161369531. The next prime is 161369557. The reversal of 161369542 is 245963161.

161369542 is digitally balanced in base 3, 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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2373048 + ... + 2373115.

It is an arithmetic number, because the mean of its divisors is an integer number (32036607).

Almost surely, 2^161369542 is an apocalyptic number.

161369542 is a deficient number, since it is larger than the sum of its proper divisors (94923314).

161369542 is a wasteful number, since it uses less digits than its factorization.

161369542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746182.

The product of its digits is 38880, while the sum is 37.

The square root of 161369542 is about 12703.1311888054. The cubic root of 161369542 is about 544.4280867531.

The spelling of 161369542 in words is "one hundred sixty-one million, three hundred sixty-nine thousand, five hundred forty-two".