66000000022 has 16 divisors (see below), whose sum is σ = 108014504400. Its totient is φ = 29995971040.

The previous prime is 66000000013. The next prime is 66000000041. The reversal of 66000000022 is 22000000066.

66000000022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 65999999942 and 66000000005.

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, 30697 + ... + 364612.

It is an arithmetic number, because the mean of its divisors is an integer number (6750906525).

Almost surely, 2^66000000022 is an apocalyptic number.

66000000022 is a deficient number, since it is larger than the sum of its proper divisors (42014504378).

66000000022 is a wasteful number, since it uses less digits than its factorization.

66000000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402911.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 66000000022 its reverse (22000000066), we get a palindrome (88000000088).

The spelling of 66000000022 in words is "sixty-six billion, twenty-two", and thus it is an aban number and an uban number.