161132235711634 has 16 divisors (see below), whose sum is σ = 272176445074176. Its totient is φ = 70879282570800.

The previous prime is 161132235711619. The next prime is 161132235711691. The reversal of 161132235711634 is 436117532231161.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118132136937 + ... + 118132138300.

It is an arithmetic number, because the mean of its divisors is an integer number (17011027817136).

Almost surely, 2^{161132235711634} is an apocalyptic number.

161132235711634 is a deficient number, since it is larger than the sum of its proper divisors (111044209362542).

161132235711634 is a wasteful number, since it uses less digits than its factorization.

161132235711634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236264275281.

The product of its digits is 544320, while the sum is 46.

Adding to 161132235711634 its reverse (436117532231161), we get a palindrome (597249767942795).

The spelling of 161132235711634 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-four".