161036101 has 8 divisors (see below), whose sum is σ = 169733880. Its totient is φ = 152548032.

The previous prime is 161036089. The next prime is 161036119. The reversal of 161036101 is 101630161.

161036101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 12690²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 84456100 + 76580001 = 9190^2 + 8751^2 .

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 161036101 - 2¹¹ = 161034053 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161036131) 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, 50850 + ... + 53923.

It is an arithmetic number, because the mean of its divisors is an integer number (21216735).

Almost surely, 2^161036101 is an apocalyptic number.

It is an amenable number.

161036101 is a deficient number, since it is larger than the sum of its proper divisors (8697779).

161036101 is a wasteful number, since it uses less digits than its factorization.

161036101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104855.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 161036101 is about 12690.0000394011. Note that the first 4 decimals coincide. The cubic root of 161036101 is about 544.0528407528.

Adding to 161036101 its reverse (101630161), we get a palindrome (262666262).

The spelling of 161036101 in words is "one hundred sixty-one million, thirty-six thousand, one hundred one".