161050279104 has 896 divisors, whose sum is σ = 594813542400. Its totient is φ = 42024407040.

The previous prime is 161050279087. The next prime is 161050279199. The reversal of 161050279104 is 401972050161.

161050279104 is a `hidden beast` number, since 1 + 61 + 0 + 502 + 7 + 91 + 0 + 4 = 666.

161050279104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 244385527 + ... + 244386185.

It is an arithmetic number, because the mean of its divisors is an integer number (663854400).

Almost surely, 2^161050279104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161050279104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297406771200).

161050279104 is an abundant number, since it is smaller than the sum of its proper divisors (433763263296).

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

161050279104 is a wasteful number, since it uses less digits than its factorization.

161050279104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 161050279104 in words is "one hundred sixty-one billion, fifty million, two hundred seventy-nine thousand, one hundred four".