133466666668 has 12 divisors (see below), whose sum is σ = 234595596312. Its totient is φ = 66439353440.

The previous prime is 133466666651. The next prime is 133466666677. The reversal of 133466666668 is 866666664331.

It is a super-2 number, since 2×133466666668² (a number of 23 digits) contains 22 as substring.

It is a plaindrome in base 10.

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, 73493953 + ... + 73495768.

It is an arithmetic number, because the mean of its divisors is an integer number (19549633026).

Almost surely, 2^133466666668 is an apocalyptic number.

It is an amenable number.

133466666668 is a deficient number, since it is larger than the sum of its proper divisors (101128929644).

133466666668 is a wasteful number, since it uses less digits than its factorization.

133466666668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146989952 (or 146989950 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 61.

The spelling of 133466666668 in words is "one hundred thirty-three billion, four hundred sixty-six million, six hundred sixty-six thousand, six hundred sixty-eight".