16436802646 has 24 divisors (see below), whose sum is σ = 27150721416. Its totient is φ = 7401335520.

The previous prime is 16436802611. The next prime is 16436802653. The reversal of 16436802646 is 64620863461.

It is a junction number, because it is equal to n+sod(n) for n = 16436802596 and 16436802605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219250 + ... + 284506.

It is an arithmetic number, because the mean of its divisors is an integer number (1131280059).

Almost surely, 2^16436802646 is an apocalyptic number.

16436802646 is a deficient number, since it is larger than the sum of its proper divisors (10713918770).

16436802646 is a wasteful number, since it uses less digits than its factorization.

16436802646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65484 (or 65377 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 16436802646 in words is "sixteen billion, four hundred thirty-six million, eight hundred two thousand, six hundred forty-six".