16677457 has 8 divisors (see below), whose sum is σ = 17055360. Its totient is φ = 16302000.

The previous prime is 16677449. The next prime is 16677481. The reversal of 16677457 is 75477661.

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

It is a cyclic number.

It is not a de Polignac number, because 16677457 - 2³ = 16677449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16677487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21832 + ... + 22582.

It is an arithmetic number, because the mean of its divisors is an integer number (2131920).

Almost surely, 2^16677457 is an apocalyptic number.

It is an amenable number.

16677457 is a deficient number, since it is larger than the sum of its proper divisors (377903).

16677457 is an equidigital number, since it uses as much as digits as its factorization.

16677457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223.

The product of its digits is 246960, while the sum is 43.

The square root of 16677457 is about 4083.8042313510. The cubic root of 16677457 is about 255.4915904672.

The spelling of 16677457 in words is "sixteen million, six hundred seventy-seven thousand, four hundred fifty-seven".