2220805550164 has 24 divisors (see below), whose sum is σ = 3951230661000. Its totient is φ = 1092030076800.

The previous prime is 2220805550087. The next prime is 2220805550203. The reversal of 2220805550164 is 4610555080222.

It can be written as a sum of positive squares in 4 ways, for example, as 171636204100 + 2049169346064 = 414290^2 + 1431492^2 .

It is a congruent number.

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, 18386259 + ... + 18506650.

It is an arithmetic number, because the mean of its divisors is an integer number (164634610875).

Almost surely, 2^{2220805550164} is an apocalyptic number.

It is an amenable number.

2220805550164 is a deficient number, since it is larger than the sum of its proper divisors (1730425110836).

2220805550164 is a wasteful number, since it uses less digits than its factorization.

2220805550164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36893163 (or 36893161 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 2220805550164 in words is "two trillion, two hundred twenty billion, eight hundred five million, five hundred fifty thousand, one hundred sixty-four".