161036244 has 36 divisors (see below), whose sum is σ = 411645780. Its totient is φ = 53074560.

The previous prime is 161036237. The next prime is 161036251. The reversal of 161036244 is 442630161.

161036244 is a `hidden beast` number, since 1 + 610 + 3 + 6 + 2 + 44 = 666.

It is an interprime number because it is at equal distance from previous prime (161036237) and next prime (161036251).

It can be written as a sum of positive squares in 2 ways, for example, as 30802500 + 130233744 = 5550^2 + 11412^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21927 + ... + 28334.

It is an arithmetic number, because the mean of its divisors is an integer number (11434605).

Almost surely, 2^161036244 is an apocalyptic number.

It is an amenable number.

161036244 is an abundant number, since it is smaller than the sum of its proper divisors (250609536).

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

161036244 is a wasteful number, since it uses less digits than its factorization.

161036244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50360 (or 50355 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 161036244 is about 12690.0056737576. The cubic root of 161036244 is about 544.0530017923.

The spelling of 161036244 in words is "one hundred sixty-one million, thirty-six thousand, two hundred forty-four".