161188205010 has 64 divisors (see below), whose sum is σ = 442195524864. Its totient is φ = 36836409600.

The previous prime is 161188204997. The next prime is 161188205047. The reversal of 161188205010 is 10502881161.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1156480 + ... + 1288340.

It is an arithmetic number, because the mean of its divisors is an integer number (6909305076).

Almost surely, 2^161188205010 is an apocalyptic number.

161188205010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161188205010 is an abundant number, since it is smaller than the sum of its proper divisors (281007319854).

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

161188205010 is a wasteful number, since it uses less digits than its factorization.

161188205010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137699.

The product of its (nonzero) digits is 3840, while the sum is 33.

The spelling of 161188205010 in words is "one hundred sixty-one billion, one hundred eighty-eight million, two hundred five thousand, ten".