16040106 has 20 divisors (see below), whose sum is σ = 35942082. Its totient is φ = 5346648.

The previous prime is 16040099. The next prime is 16040111. The reversal of 16040106 is 60104061.

It can be written as a sum of positive squares in only one way, i.e., 16040025 + 81 = 4005^2 + 9^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 49345 + ... + 49668.

Almost surely, 2^16040106 is an apocalyptic number.

16040106 is an abundant number, since it is smaller than the sum of its proper divisors (19901976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16040106 is an equidigital number, since it uses as much as digits as its factorization.

16040106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99027 (or 99018 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 16040106 is about 4005.0101123468. The cubic root of 16040106 is about 252.1945776126.

Adding to 16040106 its reverse (60104061), we get a palindrome (76144167).

The spelling of 16040106 in words is "sixteen million, forty thousand, one hundred six".