133660621640350 has 48 divisors (see below), whose sum is σ = 284126189760000. Its totient is φ = 45826192896480.

The previous prime is 133660621640327. The next prime is 133660621640407. The reversal of 133660621640350 is 53046126066331.

It is a self number, because there is not a number n which added to its sum of digits gives 133660621640350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54734751 + ... + 57124549.

It is an arithmetic number, because the mean of its divisors is an integer number (5919295620000).

Almost surely, 2^{133660621640350} is an apocalyptic number.

133660621640350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133660621640350 is an abundant number, since it is smaller than the sum of its proper divisors (150465568119650).

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

133660621640350 is a wasteful number, since it uses less digits than its factorization.

133660621640350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549617 (or 2549612 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 46.

The spelling of 133660621640350 in words is "one hundred thirty-three trillion, six hundred sixty billion, six hundred twenty-one million, six hundred forty thousand, three hundred fifty".