16674477 has 8 divisors (see below), whose sum is σ = 22380480. Its totient is φ = 11042400.

The previous prime is 16674461. The next prime is 16674481. The reversal of 16674477 is 77447661.

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

It is not a de Polignac number, because 16674477 - 2⁴ = 16674461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16674487) 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 7 ways as a sum of consecutive naturals, for example, 17952 + ... + 18857.

It is an arithmetic number, because the mean of its divisors is an integer number (2797560).

Almost surely, 2^16674477 is an apocalyptic number.

It is an amenable number.

16674477 is a deficient number, since it is larger than the sum of its proper divisors (5706003).

16674477 is a wasteful number, since it uses less digits than its factorization.

16674477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36963.

The product of its digits is 197568, while the sum is 42.

The square root of 16674477 is about 4083.4393591677. The cubic root of 16674477 is about 255.4763721140.

The spelling of 16674477 in words is "sixteen million, six hundred seventy-four thousand, four hundred seventy-seven".