16630612 has 18 divisors (see below), whose sum is σ = 29921262. Its totient is φ = 8087904.

The previous prime is 16630609. The next prime is 16630619. The reversal of 16630612 is 21603661.

It can be written as a sum of positive squares in 3 ways, for example, as 12362256 + 4268356 = 3516^2 + 2066^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16630619) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3958 + ... + 6994.

Almost surely, 2^16630612 is an apocalyptic number.

It is an amenable number.

16630612 is a deficient number, since it is larger than the sum of its proper divisors (13290650).

16630612 is a wasteful number, since it uses less digits than its factorization.

16630612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115 (or 3076 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 16630612 is about 4078.0647371026. The cubic root of 16630612 is about 255.2521509429.

The spelling of 16630612 in words is "sixteen million, six hundred thirty thousand, six hundred twelve".