161146632664646 has 16 divisors (see below), whose sum is σ = 242445232925376. Its totient is φ = 80331675759936.

The previous prime is 161146632664639. The next prime is 161146632664649. The reversal of 161146632664646 is 646466236641161.

161146632664646 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161146632664649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27512711 + ... + 32851826.

It is an arithmetic number, because the mean of its divisors is an integer number (15152827057836).

Almost surely, 2^{161146632664646} is an apocalyptic number.

161146632664646 is a deficient number, since it is larger than the sum of its proper divisors (81298600260730).

161146632664646 is a wasteful number, since it uses less digits than its factorization.

161146632664646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60368543.

The product of its digits is 107495424, while the sum is 62.

The spelling of 161146632664646 in words is "one hundred sixty-one trillion, one hundred forty-six billion, six hundred thirty-two million, six hundred sixty-four thousand, six hundred forty-six".