133466666680 has 16 divisors (see below), whose sum is σ = 300300000120. Its totient is φ = 53386666656.

The previous prime is 133466666677. The next prime is 133466666693. The reversal of 133466666680 is 86666664331.

It is a super-2 number, since 2×133466666680² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 1668333294 + ... + 1668333373.

Almost surely, 2^133466666680 is an apocalyptic number.

133466666680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133466666680 is an abundant number, since it is smaller than the sum of its proper divisors (166833333440).

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

133466666680 is a wasteful number, since it uses less digits than its factorization.

133466666680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336666678 (or 3336666674 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 55.

The spelling of 133466666680 in words is "one hundred thirty-three billion, four hundred sixty-six million, six hundred sixty-six thousand, six hundred eighty".