2055100666 has 8 divisors (see below), whose sum is σ = 3089397780. Its totient is φ = 1025301408.

The previous prime is 2055100601. The next prime is 2055100699. The reversal of 2055100666 is 6660015502.

It can be written as a sum of positive squares in 2 ways, for example, as 1864080625 + 191020041 = 43175^2 + 13821^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123321 + ... + 1125148.

Almost surely, 2^2055100666 is an apocalyptic number.

2055100666 is a deficient number, since it is larger than the sum of its proper divisors (1034297114).

2055100666 is a wasteful number, since it uses less digits than its factorization.

2055100666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248928.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2055100666 is about 45333.2181297556. The cubic root of 2055100666 is about 1271.3868055115.

The spelling of 2055100666 in words is "two billion, fifty-five million, one hundred thousand, six hundred sixty-six".