161036036252 has 48 divisors (see below), whose sum is σ = 350029014720. Its totient is φ = 63122084352.

The previous prime is 161036036233. The next prime is 161036036263. The reversal of 161036036252 is 252630630161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1989713 + ... + 2069064.

It is an arithmetic number, because the mean of its divisors is an integer number (7292271140).

Almost surely, 2^161036036252 is an apocalyptic number.

It is an amenable number.

161036036252 is an abundant number, since it is smaller than the sum of its proper divisors (188992978468).

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

161036036252 is a wasteful number, since it uses less digits than its factorization.

161036036252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058910 (or 4058908 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 161036036252 in words is "one hundred sixty-one billion, thirty-six million, thirty-six thousand, two hundred fifty-two".