16630772 has 6 divisors (see below), whose sum is σ = 29103858. Its totient is φ = 8315384.

The previous prime is 16630769. The next prime is 16630781. The reversal of 16630772 is 27703661.

It can be written as a sum of positive squares in only one way, i.e., 12773476 + 3857296 = 3574^2 + 1964^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2078843 + ... + 2078850.

It is an arithmetic number, because the mean of its divisors is an integer number (4850643).

Almost surely, 2^16630772 is an apocalyptic number.

It is an amenable number.

16630772 is a deficient number, since it is larger than the sum of its proper divisors (12473086).

16630772 is a wasteful number, since it uses less digits than its factorization.

16630772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4157697 (or 4157695 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 16630772 is about 4078.0843542036. The cubic root of 16630772 is about 255.2529695180.

The spelling of 16630772 in words is "sixteen million, six hundred thirty thousand, seven hundred seventy-two".