16677698 has 4 divisors (see below), whose sum is σ = 25016550. Its totient is φ = 8338848.

The previous prime is 16677643. The next prime is 16677701. The reversal of 16677698 is 89677661.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10738729 + 5938969 = 3277^2 + 2437^2 .

It is a super-2 number, since 2×16677698² = 556291221158408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4169423 + ... + 4169426.

Almost surely, 2^16677698 is an apocalyptic number.

16677698 is a deficient number, since it is larger than the sum of its proper divisors (8338852).

16677698 is an equidigital number, since it uses as much as digits as its factorization.

16677698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8338851.

The product of its digits is 762048, while the sum is 50.

The square root of 16677698 is about 4083.8337380457. The cubic root of 16677698 is about 255.4928211340.

The spelling of 16677698 in words is "sixteen million, six hundred seventy-seven thousand, six hundred ninety-eight".