16646103052 has 12 divisors (see below), whose sum is σ = 29283198336. Its totient is φ = 8279474960.

The previous prime is 16646103029. The next prime is 16646103107. The reversal of 16646103052 is 25030164661.

It is a junction number, because it is equal to n+sod(n) for n = 16646102999 and 16646103017.

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, 10893283 + ... + 10894810.

It is an arithmetic number, because the mean of its divisors is an integer number (2440266528).

Almost surely, 2^16646103052 is an apocalyptic number.

It is an amenable number.

16646103052 is a deficient number, since it is larger than the sum of its proper divisors (12637095284).

16646103052 is a wasteful number, since it uses less digits than its factorization.

16646103052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21788288 (or 21788286 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 16646103052 in words is "sixteen billion, six hundred forty-six million, one hundred three thousand, fifty-two".