133366029581552 has 80 divisors (see below), whose sum is σ = 269887233432960. Its totient is φ = 63786502031616.

The previous prime is 133366029581549. The next prime is 133366029581563. The reversal of 133366029581552 is 255185920663331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 133366029581491 and 133366029581500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16602599 + ... + 23289017.

It is an arithmetic number, because the mean of its divisors is an integer number (3373590417912).

Almost surely, 2^{133366029581552} is an apocalyptic number.

It is an amenable number.

133366029581552 is an abundant number, since it is smaller than the sum of its proper divisors (136521203851408).

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

133366029581552 is a wasteful number, since it uses less digits than its factorization.

133366029581552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6687070 (or 6687064 counting only the distinct ones).

The product of its (nonzero) digits is 34992000, while the sum is 59.

The spelling of 133366029581552 in words is "one hundred thirty-three trillion, three hundred sixty-six billion, twenty-nine million, five hundred eighty-one thousand, five hundred fifty-two".