16676699 has 16 divisors (see below), whose sum is σ = 19111680. Its totient is φ = 14424480.

The previous prime is 16676687. The next prime is 16676701. The reversal of 16676699 is 99667661.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16676699 - 2¹² = 16672603 is a prime.

It is a super-2 number, since 2×16676699² = 556224579073202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16676629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26114 + ... + 26744.

It is an arithmetic number, because the mean of its divisors is an integer number (1194480).

Almost surely, 2^16676699 is an apocalyptic number.

16676699 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16676699 is a deficient number, since it is larger than the sum of its proper divisors (2434981).

16676699 is a wasteful number, since it uses less digits than its factorization.

16676699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770.

The product of its digits is 734832, while the sum is 50.

The square root of 16676699 is about 4083.7114246724. The cubic root of 16676699 is about 255.4877196621.

The spelling of 16676699 in words is "sixteen million, six hundred seventy-six thousand, six hundred ninety-nine".