161341050739 has 32 divisors (see below), whose sum is σ = 188236016640. Its totient is φ = 136805222400.

The previous prime is 161341050721. The next prime is 161341050791. The reversal of 161341050739 is 937050143161.

161341050739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161341050739 - 2⁵ = 161341050707 is a prime.

It is a super-2 number, since 2×161341050739² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161341050539) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 39073027 + ... + 39077155.

It is an arithmetic number, because the mean of its divisors is an integer number (5882375520).

Almost surely, 2^161341050739 is an apocalyptic number.

161341050739 is a deficient number, since it is larger than the sum of its proper divisors (26894965901).

161341050739 is a wasteful number, since it uses less digits than its factorization.

161341050739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7971.

The product of its (nonzero) digits is 68040, while the sum is 40.

The spelling of 161341050739 in words is "one hundred sixty-one billion, three hundred forty-one million, fifty thousand, seven hundred thirty-nine".