161341702726 has 8 divisors (see below), whose sum is σ = 242015193504. Its totient is φ = 80669971560.

The previous prime is 161341702699. The next prime is 161341702759. The reversal of 161341702726 is 627207143161.

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

It is a super-2 number, since 2×161341702726² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179950 + ... + 595873.

It is an arithmetic number, because the mean of its divisors is an integer number (30251899188).

Almost surely, 2^161341702726 is an apocalyptic number.

161341702726 is a deficient number, since it is larger than the sum of its proper divisors (80673490778).

161341702726 is a wasteful number, since it uses less digits than its factorization.

161341702726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879806.

The product of its (nonzero) digits is 84672, while the sum is 40.

Adding to 161341702726 its reverse (627207143161), we get a palindrome (788548845887).

The spelling of 161341702726 in words is "one hundred sixty-one billion, three hundred forty-one million, seven hundred two thousand, seven hundred twenty-six".