161318053142 has 8 divisors (see below), whose sum is σ = 247878959832. Its totient is φ = 78691733200.

The previous prime is 161318053121. The next prime is 161318053159. The reversal of 161318053142 is 241350813161.

It is a happy number.

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, 983646584 + ... + 983646747.

It is an arithmetic number, because the mean of its divisors is an integer number (30984869979).

Almost surely, 2^161318053142 is an apocalyptic number.

161318053142 is a deficient number, since it is larger than the sum of its proper divisors (86560906690).

161318053142 is a wasteful number, since it uses less digits than its factorization.

161318053142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967293374.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 161318053142 in words is "one hundred sixty-one billion, three hundred eighteen million, fifty-three thousand, one hundred forty-two".