161455224466 has 16 divisors (see below), whose sum is σ = 251305357248. Its totient is φ = 77739656400.

The previous prime is 161455224443. The next prime is 161455224517. The reversal of 161455224466 is 664422554161.

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, 13214925 + ... + 13227136.

It is an arithmetic number, because the mean of its divisors is an integer number (15706584828).

Almost surely, 2^161455224466 is an apocalyptic number.

161455224466 is a deficient number, since it is larger than the sum of its proper divisors (89850132782).

161455224466 is a wasteful number, since it uses less digits than its factorization.

161455224466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26442177.

The product of its digits is 1382400, while the sum is 46.

The spelling of 161455224466 in words is "one hundred sixty-one billion, four hundred fifty-five million, two hundred twenty-four thousand, four hundred sixty-six".