55001605166 has 8 divisors (see below), whose sum is σ = 82503983160. Its totient is φ = 27500277448.

The previous prime is 55001605157. The next prime is 55001605181. The reversal of 55001605166 is 66150610055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115076 + ... + 351063.

It is an arithmetic number, because the mean of its divisors is an integer number (10312997895).

Almost surely, 2^55001605166 is an apocalyptic number.

55001605166 is a deficient number, since it is larger than the sum of its proper divisors (27502377994).

55001605166 is a wasteful number, since it uses less digits than its factorization.

55001605166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525138.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 55001605166 in words is "fifty-five billion, one million, six hundred five thousand, one hundred sixty-six".