161132235711633 has 12 divisors (see below), whose sum is σ = 232751934621648. Its totient is φ = 107419011123480.

The previous prime is 161132235711619. The next prime is 161132235711691. The reversal of 161132235711633 is 336117532231161.

161132235711633 is a `hidden beast` number, since 1 + 6 + 1 + 1 + 3 + 2 + 2 + 3 + 5 + 7 + 1 + 1 + 633 = 666.

It is not a de Polignac number, because 161132235711633 - 2³³ = 161123645777041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161132235711533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206200935 + ... + 206980892.

It is an arithmetic number, because the mean of its divisors is an integer number (19395994551804).

Almost surely, 2^{161132235711633} is an apocalyptic number.

It is an amenable number.

161132235711633 is a deficient number, since it is larger than the sum of its proper divisors (71619698910015).

161132235711633 is a wasteful number, since it uses less digits than its factorization.

161132235711633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413225164 (or 413225161 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

Adding to 161132235711633 its reverse (336117532231161), we get a palindrome (497249767942794).

The spelling of 161132235711633 in words is "one hundred sixty-one trillion, one hundred thirty-two billion, two hundred thirty-five million, seven hundred eleven thousand, six hundred thirty-three".