161106065837 has 8 divisors (see below), whose sum is σ = 169662008160. Its totient is φ = 152557791120.

The previous prime is 161106065833. The next prime is 161106065843. The reversal of 161106065837 is 738560601161.

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

It is a cyclic number.

It is not a de Polignac number, because 161106065837 - 2² = 161106065833 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161106065833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1873739 + ... + 1957832.

It is an arithmetic number, because the mean of its divisors is an integer number (21207751020).

Almost surely, 2^161106065837 is an apocalyptic number.

It is an amenable number.

161106065837 is a deficient number, since it is larger than the sum of its proper divisors (8555942323).

161106065837 is a wasteful number, since it uses less digits than its factorization.

161106065837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833803.

The product of its (nonzero) digits is 181440, while the sum is 44.

Adding to 161106065837 its reverse (738560601161), we get a palindrome (899666666998).

The spelling of 161106065837 in words is "one hundred sixty-one billion, one hundred six million, sixty-five thousand, eight hundred thirty-seven".