161102416 has 20 divisors (see below), whose sum is σ = 313506100. Its totient is φ = 80197632.

The previous prime is 161102411. The next prime is 161102423. The reversal of 161102416 is 614201161.

161102416 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 132158016 + 28944400 = 11496^2 + 5380^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161102411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18321 + ... + 25648.

It is an arithmetic number, because the mean of its divisors is an integer number (15675305).

Almost surely, 2^161102416 is an apocalyptic number.

161102416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161102416 is a deficient number, since it is larger than the sum of its proper divisors (152403684).

161102416 is a wasteful number, since it uses less digits than its factorization.

161102416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44206 (or 44200 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 161102416 is about 12692.6126546113. The cubic root of 161102416 is about 544.1275111996.

Adding to 161102416 its reverse (614201161), we get a palindrome (775303577).

The spelling of 161102416 in words is "one hundred sixty-one million, one hundred two thousand, four hundred sixteen".