66105044162 has 4 divisors (see below), whose sum is σ = 99157566246. Its totient is φ = 33052522080.

The previous prime is 66105044141. The next prime is 66105044171. The reversal of 66105044162 is 26144050166.

66105044162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 66099895801 + 5148361 = 257099^2 + 2269^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16526261039 + ... + 16526261042.

Almost surely, 2^66105044162 is an apocalyptic number.

66105044162 is a deficient number, since it is larger than the sum of its proper divisors (33052522084).

66105044162 is a wasteful number, since it uses less digits than its factorization.

66105044162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33052522083.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 66105044162 in words is "sixty-six billion, one hundred five million, forty-four thousand, one hundred sixty-two".