161849042028360 has 96 divisors (see below), whose sum is σ = 526133362659840. Its totient is φ = 43149572145792.

The previous prime is 161849042028341. The next prime is 161849042028407. The reversal of 161849042028360 is 63820240948161.

161849042028360 is a `hidden beast` number, since 1 + 6 + 1 + 84 + 9 + 0 + 420 + 2 + 83 + 60 = 666.

It is a super-2 number, since 2×161849042028360² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161849042028297 and 161849042028306.

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, 51451624 + ... + 54506583.

It is an arithmetic number, because the mean of its divisors is an integer number (5480555861040).

Almost surely, 2^{161849042028360} is an apocalyptic number.

161849042028360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161849042028360 is an abundant number, since it is smaller than the sum of its proper divisors (364284320631480).

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

161849042028360 is a wasteful number, since it uses less digits than its factorization.

161849042028360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105962467 (or 105962460 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 161849042028360 in words is "one hundred sixty-one trillion, eight hundred forty-nine billion, forty-two million, twenty-eight thousand, three hundred sixty".