161701102 has 4 divisors (see below), whose sum is σ = 242551656. Its totient is φ = 80850550.

The previous prime is 161701087. The next prime is 161701157. The reversal of 161701102 is 201107161.

161701102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201107161 = 17 ⋅11829833.

It is a super-2 number, since 2×161701102² = 52294492776028808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 161701102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40425274 + ... + 40425277.

It is an arithmetic number, because the mean of its divisors is an integer number (60637914).

Almost surely, 2^161701102 is an apocalyptic number.

161701102 is a deficient number, since it is larger than the sum of its proper divisors (80850554).

161701102 is an equidigital number, since it uses as much as digits as its factorization.

161701102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80850553.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 161701102 is about 12716.1748179238. The cubic root of 161701102 is about 544.8007037200.

Adding to 161701102 its reverse (201107161), we get a palindrome (362808263).

The spelling of 161701102 in words is "one hundred sixty-one million, seven hundred one thousand, one hundred two".