16624601 has 16 divisors (see below), whose sum is σ = 20121600. Its totient is φ = 13417488.

The previous prime is 16624591. The next prime is 16624603. The reversal of 16624601 is 10642661.

It is a happy number.

It is not a de Polignac number, because 16624601 - 2⁶ = 16624537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16624603) 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, 31526 + ... + 32048.

It is an arithmetic number, because the mean of its divisors is an integer number (1257600).

Almost surely, 2^16624601 is an apocalyptic number.

It is an amenable number.

16624601 is a deficient number, since it is larger than the sum of its proper divisors (3496999).

16624601 is a wasteful number, since it uses less digits than its factorization.

16624601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 16624601 is about 4077.3276787622. The cubic root of 16624601 is about 255.2213942962.

The spelling of 16624601 in words is "sixteen million, six hundred twenty-four thousand, six hundred one".