133466666800 has 60 divisors (see below), whose sum is σ = 339515664696. Its totient is φ = 50246272000.

The previous prime is 133466666791. The next prime is 133466666803. The reversal of 133466666800 is 8666664331.

It is a super-2 number, since 2×133466666800² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133466666803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9806926 + ... + 9820525.

Almost surely, 2^133466666800 is an apocalyptic number.

133466666800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133466666800 is an abundant number, since it is smaller than the sum of its proper divisors (206048997896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133466666800 is a wasteful number, since it uses less digits than its factorization.

133466666800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19627486 (or 19627475 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 49.

The spelling of 133466666800 in words is "one hundred thirty-three billion, four hundred sixty-six million, six hundred sixty-six thousand, eight hundred".