55343632166 has 16 divisors (see below), whose sum is σ = 83708276256. Its totient is φ = 27441293376.

The previous prime is 55343632163. The next prime is 55343632189. The reversal of 55343632166 is 66123634355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55343632163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160520 + ... + 369396.

It is an arithmetic number, because the mean of its divisors is an integer number (5231767266).

Almost surely, 2^55343632166 is an apocalyptic number.

55343632166 is a deficient number, since it is larger than the sum of its proper divisors (28364644090).

55343632166 is a wasteful number, since it uses less digits than its factorization.

55343632166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209983.

The product of its digits is 1166400, while the sum is 44.

The spelling of 55343632166 in words is "fifty-five billion, three hundred forty-three million, six hundred thirty-two thousand, one hundred sixty-six".