161156505510034 has 16 divisors (see below), whose sum is σ = 245698063156800. Its totient is φ = 79257155855760.

The previous prime is 161156505510029. The next prime is 161156505510043. The reversal of 161156505510034 is 430015505651161.

161156505510034 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 109484067 + ... + 110946265.

It is an arithmetic number, because the mean of its divisors is an integer number (15356128947300).

Almost surely, 2^{161156505510034} is an apocalyptic number.

161156505510034 is a deficient number, since it is larger than the sum of its proper divisors (84541557646766).

161156505510034 is a wasteful number, since it uses less digits than its factorization.

161156505510034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365665.

The product of its (nonzero) digits is 270000, while the sum is 43.

The spelling of 161156505510034 in words is "one hundred sixty-one trillion, one hundred fifty-six billion, five hundred five million, five hundred ten thousand, thirty-four".