16675623 has 12 divisors (see below), whose sum is σ = 25504128. Its totient is φ = 10463040.

The previous prime is 16675619. The next prime is 16675639. The reversal of 16675623 is 32657661.

It is not a de Polignac number, because 16675623 - 2² = 16675619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16675223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54343 + ... + 54648.

It is an arithmetic number, because the mean of its divisors is an integer number (2125344).

Almost surely, 2^16675623 is an apocalyptic number.

16675623 is a deficient number, since it is larger than the sum of its proper divisors (8828505).

16675623 is a wasteful number, since it uses less digits than its factorization.

16675623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109014 (or 109011 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 16675623 is about 4083.5796796438. The cubic root of 16675623 is about 255.4822247557.

The spelling of 16675623 in words is "sixteen million, six hundred seventy-five thousand, six hundred twenty-three".