161132235704524 has 48 divisors (see below), whose sum is σ = 325473640128000. Its totient is φ = 68369324702976.

The previous prime is 161132235704443. The next prime is 161132235704527. The reversal of 161132235704524 is 425407532231161.

It is not an unprimeable number, because it can be changed into a prime (161132235704527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4777947 + ... + 18576685.

It is an arithmetic number, because the mean of its divisors is an integer number (6780700836000).

Almost surely, 2^{161132235704524} is an apocalyptic number.

161132235704524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

161132235704524 is an abundant number, since it is smaller than the sum of its proper divisors (164341404423476).

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

161132235704524 is a wasteful number, since it uses less digits than its factorization.

161132235704524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13802902 (or 13802900 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

Adding to 161132235704524 its reverse (425407532231161), we get a palindrome (586539767935685).

The spelling of 161132235704524 in words is "one hundred sixty-one trillion, one hundred thirty-two billion, two hundred thirty-five million, seven hundred four thousand, five hundred twenty-four".