16612149 has 16 divisors (see below), whose sum is σ = 22984832. Its totient is φ = 10663488.

The previous prime is 16612139. The next prime is 16612151. The reversal of 16612149 is 94121661.

It is a happy number.

It is not a de Polignac number, because 16612149 - 2⁷ = 16612021 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16612109) 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 15 ways as a sum of consecutive naturals, for example, 10707 + ... + 12159.

It is an arithmetic number, because the mean of its divisors is an integer number (1436552).

Almost surely, 2^16612149 is an apocalyptic number.

It is an amenable number.

16612149 is a deficient number, since it is larger than the sum of its proper divisors (6372683).

16612149 is a wasteful number, since it uses less digits than its factorization.

16612149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596.

The product of its digits is 2592, while the sum is 30.

The square root of 16612149 is about 4075.8004121890. The cubic root of 16612149 is about 255.1576572159.

It can be divided in two parts, 16612 and 149, that added together give a palindrome (16761).

The spelling of 16612149 in words is "sixteen million, six hundred twelve thousand, one hundred forty-nine".