16666948 has 6 divisors (see below), whose sum is σ = 29167166. Its totient is φ = 8333472.

The previous prime is 16666931. The next prime is 16666957. The reversal of 16666948 is 84966661.

16666948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 16630084 + 36864 = 4078^2 + 192^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16666898 and 16666907.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2083365 + ... + 2083372.

Almost surely, 2^16666948 is an apocalyptic number.

It is an amenable number.

16666948 is a deficient number, since it is larger than the sum of its proper divisors (12500218).

16666948 is a wasteful number, since it uses less digits than its factorization.

16666948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166741 (or 4166739 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 16666948 is about 4082.5173606489. The cubic root of 16666948 is about 255.4379147123.

The spelling of 16666948 in words is "sixteen million, six hundred sixty-six thousand, nine hundred forty-eight".