16634543344 has 10 divisors (see below), whose sum is σ = 32229427760. Its totient is φ = 8317271664.

The previous prime is 16634543327. The next prime is 16634543369. The reversal of 16634543344 is 44334543661.

It is a self number, because there is not a number n which added to its sum of digits gives 16634543344.

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, 519829464 + ... + 519829495.

It is an arithmetic number, because the mean of its divisors is an integer number (3222942776).

Almost surely, 2^16634543344 is an apocalyptic number.

It is an amenable number.

16634543344 is a deficient number, since it is larger than the sum of its proper divisors (15594884416).

16634543344 is a wasteful number, since it uses less digits than its factorization.

16634543344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039658967 (or 1039658961 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 43.

The spelling of 16634543344 in words is "sixteen billion, six hundred thirty-four million, five hundred forty-three thousand, three hundred forty-four".