161342419876 has 24 divisors (see below), whose sum is σ = 309007782720. Its totient is φ = 73101645600.

The previous prime is 161342419789. The next prime is 161342419907. The reversal of 161342419876 is 678914243161.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5881611 + ... + 5908978.

It is an arithmetic number, because the mean of its divisors is an integer number (12875324280).

Almost surely, 2^161342419876 is an apocalyptic number.

It is an amenable number.

161342419876 is a deficient number, since it is larger than the sum of its proper divisors (147665362844).

161342419876 is a wasteful number, since it uses less digits than its factorization.

161342419876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11790915 (or 11790913 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The spelling of 161342419876 in words is "one hundred sixty-one billion, three hundred forty-two million, four hundred nineteen thousand, eight hundred seventy-six".