161701103 has 8 divisors (see below), whose sum is σ = 165319680. Its totient is φ = 158090040.

The previous prime is 161701087. The next prime is 161701157. The reversal of 161701103 is 301107161.

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 161701103 - 2⁴ = 161701087 is a prime.

It is a super-2 number, since 2×161701103² = 52294493422833218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161701193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85118 + ... + 86996.

It is an arithmetic number, because the mean of its divisors is an integer number (20664960).

Almost surely, 2^161701103 is an apocalyptic number.

161701103 is a deficient number, since it is larger than the sum of its proper divisors (3618577).

161701103 is a wasteful number, since it uses less digits than its factorization.

161701103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3757.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 161701103 is about 12716.1748572438. The cubic root of 161701103 is about 544.8007048431.

Adding to 161701103 its reverse (301107161), we get a palindrome (462808264).

The spelling of 161701103 in words is "one hundred sixty-one million, seven hundred one thousand, one hundred three".