16625345 has 8 divisors (see below), whose sum is σ = 21764160. Its totient is φ = 12091120.

The previous prime is 16625327. The next prime is 16625353. The reversal of 16625345 is 54352661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16625345 - 2⁶ = 16625281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151085 + ... + 151194.

It is an arithmetic number, because the mean of its divisors is an integer number (2720520).

Almost surely, 2^16625345 is an apocalyptic number.

It is an amenable number.

16625345 is a deficient number, since it is larger than the sum of its proper divisors (5138815).

16625345 is a wasteful number, since it uses less digits than its factorization.

16625345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302295.

The product of its digits is 21600, while the sum is 32.

The square root of 16625345 is about 4077.4189139700. The cubic root of 16625345 is about 255.2252015432.

It can be divided in two parts, 1662 and 5345, that added together give a palindrome (7007).

The spelling of 16625345 in words is "sixteen million, six hundred twenty-five thousand, three hundred forty-five".