161334815108 has 24 divisors (see below), whose sum is σ = 282723157080. Its totient is φ = 80556826880.

The previous prime is 161334815087. The next prime is 161334815119. The reversal of 161334815108 is 801518433161.

It can be written as a sum of positive squares in 4 ways, for example, as 3759161344 + 157575653764 = 61312^2 + 396958^2 .

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, 21424688 + ... + 21432216.

It is an arithmetic number, because the mean of its divisors is an integer number (11780131545).

Almost surely, 2^161334815108 is an apocalyptic number.

It is an amenable number.

161334815108 is a deficient number, since it is larger than the sum of its proper divisors (121388341972).

161334815108 is a wasteful number, since it uses less digits than its factorization.

161334815108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14167 (or 14165 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 161334815108 in words is "one hundred sixty-one billion, three hundred thirty-four million, eight hundred fifteen thousand, one hundred eight".