161050831735 has 8 divisors (see below), whose sum is σ = 203432629680. Its totient is φ = 122059577664.

The previous prime is 161050831693. The next prime is 161050831787. The reversal of 161050831735 is 537138050161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161050831735 is a prime.

It is a super-2 number, since 2×161050831735² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847635862 + ... + 847636051.

It is an arithmetic number, because the mean of its divisors is an integer number (25429078710).

Almost surely, 2^161050831735 is an apocalyptic number.

161050831735 is a deficient number, since it is larger than the sum of its proper divisors (42381797945).

161050831735 is a wasteful number, since it uses less digits than its factorization.

161050831735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695271937.

The product of its (nonzero) digits is 75600, while the sum is 40.

Adding to 161050831735 its reverse (537138050161), we get a palindrome (698188881896).

The spelling of 161050831735 in words is "one hundred sixty-one billion, fifty million, eight hundred thirty-one thousand, seven hundred thirty-five".