133163423301551 has 8 divisors (see below), whose sum is σ = 133521690428544. Its totient is φ = 132805162916640.

The previous prime is 133163423301523. The next prime is 133163423301563. The reversal of 133163423301551 is 155103324361331.

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 133163423301551 - 2²² = 133163419107247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133163423301499 and 133163423301508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133163423301151) 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, 39202085 + ... + 42463281.

It is an arithmetic number, because the mean of its divisors is an integer number (16690211303568).

Almost surely, 2^{133163423301551} is an apocalyptic number.

133163423301551 is a deficient number, since it is larger than the sum of its proper divisors (358267126993).

133163423301551 is a wasteful number, since it uses less digits than its factorization.

133163423301551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371041.

The product of its (nonzero) digits is 291600, while the sum is 41.

Adding to 133163423301551 its reverse (155103324361331), we get a palindrome (288266747662882).

The spelling of 133163423301551 in words is "one hundred thirty-three trillion, one hundred sixty-three billion, four hundred twenty-three million, three hundred one thousand, five hundred fifty-one".