133304351663 has 8 divisors (see below), whose sum is σ = 154621679232. Its totient is φ = 112555486296.

The previous prime is 133304351651. The next prime is 133304351683. The reversal of 133304351663 is 366153403331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133304351663 - 2⁸ = 133304351407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133304351683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142115045 + ... + 142115982.

It is an arithmetic number, because the mean of its divisors is an integer number (19327709904).

Almost surely, 2^133304351663 is an apocalyptic number.

133304351663 is a deficient number, since it is larger than the sum of its proper divisors (21317327569).

133304351663 is an equidigital number, since it uses as much as digits as its factorization.

133304351663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284231101.

The product of its (nonzero) digits is 174960, while the sum is 38.

Adding to 133304351663 its reverse (366153403331), we get a palindrome (499457754994).

The spelling of 133304351663 in words is "one hundred thirty-three billion, three hundred four million, three hundred fifty-one thousand, six hundred sixty-three".