161842708800 has 168 divisors, whose sum is σ = 589976772800. Its totient is φ = 43158044160.

The previous prime is 161842708789. The next prime is 161842708813. The reversal of 161842708800 is 8807248161.

161842708800 is a `hidden beast` number, since 1 + 618 + 4 + 27 + 0 + 8 + 8 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1829980 + ... + 1916379.

Almost surely, 2^161842708800 is an apocalyptic number.

161842708800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161842708800 is an abundant number, since it is smaller than the sum of its proper divisors (428134064000).

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

161842708800 is a wasteful number, since it uses less digits than its factorization.

161842708800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3746390 (or 3746369 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The spelling of 161842708800 in words is "one hundred sixty-one billion, eight hundred forty-two million, seven hundred eight thousand, eight hundred".