161844937014246 has 32 divisors (see below), whose sum is σ = 328506857778528. Its totient is φ = 53147206379520.

The previous prime is 161844937014223. The next prime is 161844937014259. The reversal of 161844937014246 is 642410739448161.

It is a self number, because there is not a number n which added to its sum of digits gives 161844937014246.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215207475 + ... + 215958206.

It is an arithmetic number, because the mean of its divisors is an integer number (10265839305579).

Almost surely, 2^{161844937014246} is an apocalyptic number.

161844937014246 is an abundant number, since it is smaller than the sum of its proper divisors (166661920764282).

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

161844937014246 is a wasteful number, since it uses less digits than its factorization.

161844937014246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431166616.

The product of its (nonzero) digits is 27869184, while the sum is 60.

The spelling of 161844937014246 in words is "one hundred sixty-one trillion, eight hundred forty-four billion, nine hundred thirty-seven million, fourteen thousand, two hundred forty-six".