16700066 has 8 divisors (see below), whose sum is σ = 25094124. Its totient is φ = 8335360.

The previous prime is 16700059. The next prime is 16700071. The reversal of 16700066 is 66000761.

It can be written as a sum of positive squares in 2 ways, for example, as 15768841 + 931225 = 3971^2 + 965^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5855 + ... + 8226.

Almost surely, 2^16700066 is an apocalyptic number.

16700066 is a deficient number, since it is larger than the sum of its proper divisors (8394058).

16700066 is a wasteful number, since it uses less digits than its factorization.

16700066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14676.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 16700066 is about 4086.5714235775. The cubic root of 16700066 is about 255.6069917750.

The spelling of 16700066 in words is "sixteen million, seven hundred thousand, sixty-six".