161632246225522 has 8 divisors (see below), whose sum is σ = 242590234977900. Its totient is φ = 80768834566224.

The previous prime is 161632246225453. The next prime is 161632246225577. The reversal of 161632246225522 is 225522642236161.

161632246225522 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 124523303318001 + 37108942907521 = 11159001^2 + 6091711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×161632246225522³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23644268997 + ... + 23644275832.

Almost surely, 2^{161632246225522} is an apocalyptic number.

161632246225522 is a deficient number, since it is larger than the sum of its proper divisors (80957988752378).

161632246225522 is a wasteful number, since it uses less digits than its factorization.

161632246225522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47288546540.

The product of its digits is 4147200, while the sum is 49.

The spelling of 161632246225522 in words is "one hundred sixty-one trillion, six hundred thirty-two billion, two hundred forty-six million, two hundred twenty-five thousand, five hundred twenty-two".