66055112 has 8 divisors (see below), whose sum is σ = 123853350. Its totient is φ = 33027552.

The previous prime is 66055097. The next prime is 66055123. The reversal of 66055112 is 21155066.

It can be written as a sum of positive squares in only one way, i.e., 54671236 + 11383876 = 7394^2 + 3374^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4128437 + ... + 4128452.

Almost surely, 2^66055112 is an apocalyptic number.

It is an amenable number.

66055112 is a deficient number, since it is larger than the sum of its proper divisors (57798238).

66055112 is a wasteful number, since it uses less digits than its factorization.

66055112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8256895 (or 8256891 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 66055112 is about 8127.4296059701. The cubic root of 66055112 is about 404.2364560298.

The spelling of 66055112 in words is "sixty-six million, fifty-five thousand, one hundred twelve".