161550600105656 has 64 divisors (see below), whose sum is σ = 311317181352000. Its totient is φ = 78535832601600.

The previous prime is 161550600105571. The next prime is 161550600105701. The reversal of 161550600105656 is 656501006055161.

It is a self number, because there is not a number n which added to its sum of digits gives 161550600105656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3393254780 + ... + 3393302388.

It is an arithmetic number, because the mean of its divisors is an integer number (4864330958625).

Almost surely, 2^{161550600105656} is an apocalyptic number.

It is an amenable number.

161550600105656 is a deficient number, since it is larger than the sum of its proper divisors (149766581246344).

161550600105656 is a wasteful number, since it uses less digits than its factorization.

161550600105656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55632 (or 55628 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 161550600105656 in words is "one hundred sixty-one trillion, five hundred fifty billion, six hundred million, one hundred five thousand, six hundred fifty-six".