16797644 has 6 divisors (see below), whose sum is σ = 29395884. Its totient is φ = 8398820.

The previous prime is 16797611. The next prime is 16797689. The reversal of 16797644 is 44679761.

It is a junction number, because it is equal to n+sod(n) for n = 16797595 and 16797604.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2099702 + ... + 2099709.

It is an arithmetic number, because the mean of its divisors is an integer number (4899314).

Almost surely, 2^16797644 is an apocalyptic number.

It is an amenable number.

16797644 is a deficient number, since it is larger than the sum of its proper divisors (12598240).

16797644 is a wasteful number, since it uses less digits than its factorization.

16797644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4199415 (or 4199413 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 16797644 is about 4098.4928937355. The cubic root of 16797644 is about 256.1038600389.

The spelling of 16797644 in words is "sixteen million, seven hundred ninety-seven thousand, six hundred forty-four".