133663435401006 has 48 divisors (see below), whose sum is σ = 331639404720000. Its totient is φ = 38113020783504.

The previous prime is 133663435400983. The next prime is 133663435401007. The reversal of 133663435401006 is 600104534366331.

It is a happy number.

133663435401006 is a `hidden beast` number, since 1 + 3 + 3 + 6 + 63 + 43 + 540 + 1 + 0 + 0 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133663435401007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1062883936 + ... + 1063009683.

It is an arithmetic number, because the mean of its divisors is an integer number (6909154265000).

Almost surely, 2^{133663435401006} is an apocalyptic number.

133663435401006 is an abundant number, since it is smaller than the sum of its proper divisors (197975969318994).

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

133663435401006 is a wasteful number, since it uses less digits than its factorization.

133663435401006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125894133 (or 2125894130 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 45.

Adding to 133663435401006 its reverse (600104534366331), we get a palindrome (733767969767337).

The spelling of 133663435401006 in words is "one hundred thirty-three trillion, six hundred sixty-three billion, four hundred thirty-five million, four hundred one thousand, six".