161524442202 has 32 divisors (see below), whose sum is σ = 323456760000. Its totient is φ = 53773550208.

The previous prime is 161524442129. The next prime is 161524442231. The reversal of 161524442202 is 202244425161.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18784168 + ... + 18792764.

It is an arithmetic number, because the mean of its divisors is an integer number (10108023750).

Almost surely, 2^161524442202 is an apocalyptic number.

161524442202 is an abundant number, since it is smaller than the sum of its proper divisors (161932317798).

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

161524442202 is a wasteful number, since it uses less digits than its factorization.

161524442202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12190.

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 161524442202 its reverse (202244425161), we get a palindrome (363768867363).

The spelling of 161524442202 in words is "one hundred sixty-one billion, five hundred twenty-four million, four hundred forty-two thousand, two hundred two".