161113538050 has 48 divisors (see below), whose sum is σ = 300311493120. Its totient is φ = 64307900160.

The previous prime is 161113538041. The next prime is 161113538153. The reversal of 161113538050 is 50835311161.

It is a junction number, because it is equal to n+sod(n) for n = 161113537997 and 161113538015.

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 23 ways as a sum of consecutive naturals, for example, 73000047 + ... + 73002253.

It is an arithmetic number, because the mean of its divisors is an integer number (6256489440).

Almost surely, 2^161113538050 is an apocalyptic number.

161113538050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161113538050 is a deficient number, since it is larger than the sum of its proper divisors (139197955070).

161113538050 is a wasteful number, since it uses less digits than its factorization.

161113538050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4675 (or 4670 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 161113538050 in words is "one hundred sixty-one billion, one hundred thirteen million, five hundred thirty-eight thousand, fifty".