133638160320 has 168 divisors, whose sum is σ = 525325323744. Its totient is φ = 30545860608.

The previous prime is 133638160297. The next prime is 133638160339. The reversal of 133638160320 is 23061836331.

133638160320 is a `hidden beast` number, since 1 + 3 + 3 + 638 + 16 + 0 + 3 + 2 + 0 = 666.

133638160320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 3294279 + ... + 3334598.

Almost surely, 2^133638160320 is an apocalyptic number.

133638160320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133638160320 is an abundant number, since it is smaller than the sum of its proper divisors (391687163424).

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

133638160320 is a wasteful number, since it uses less digits than its factorization.

133638160320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6628907 (or 6628894 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

Adding to 133638160320 its reverse (23061836331), we get a palindrome (156699996651).

The spelling of 133638160320 in words is "one hundred thirty-three billion, six hundred thirty-eight million, one hundred sixty thousand, three hundred twenty".