16434226646 has 8 divisors (see below), whose sum is σ = 24651988824. Its totient is φ = 8216897040.

The previous prime is 16434226637. The next prime is 16434226687. The reversal of 16434226646 is 64662243461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 16434226597 and 16434226606.

It is a congruent number.

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, 14786 + ... + 181898.

It is an arithmetic number, because the mean of its divisors is an integer number (3081498603).

Almost surely, 2^16434226646 is an apocalyptic number.

16434226646 is a deficient number, since it is larger than the sum of its proper divisors (8217762178).

16434226646 is a wasteful number, since it uses less digits than its factorization.

16434226646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216286.

The product of its digits is 995328, while the sum is 44.

The spelling of 16434226646 in words is "sixteen billion, four hundred thirty-four million, two hundred twenty-six thousand, six hundred forty-six".