133563065342161 has 32 divisors (see below), whose sum is σ = 165924491378688. Its totient is φ = 104686832669760.

The previous prime is 133563065341997. The next prime is 133563065342167. The reversal of 133563065342161 is 161243560365331.

It is a cyclic number.

It is not a de Polignac number, because 133563065342161 - 2¹³ = 133563065333969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133563065342167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 973543776 + ... + 973680958.

It is an arithmetic number, because the mean of its divisors is an integer number (5185140355584).

Almost surely, 2^{133563065342161} is an apocalyptic number.

It is an amenable number.

133563065342161 is a deficient number, since it is larger than the sum of its proper divisors (32361426036527).

133563065342161 is a wasteful number, since it uses less digits than its factorization.

133563065342161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237301.

The product of its (nonzero) digits is 3499200, while the sum is 49.

The spelling of 133563065342161 in words is "one hundred thirty-three trillion, five hundred sixty-three billion, sixty-five million, three hundred forty-two thousand, one hundred sixty-one".