16543074332 has 12 divisors (see below), whose sum is σ = 28958418216. Its totient is φ = 8269240560.

The previous prime is 16543074259. The next prime is 16543074371. The reversal of 16543074332 is 23347034561.

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, 557894 + ... + 586797.

It is an arithmetic number, because the mean of its divisors is an integer number (2413201518).

Almost surely, 2^16543074332 is an apocalyptic number.

It is an amenable number.

16543074332 is a deficient number, since it is larger than the sum of its proper divisors (12415343884).

16543074332 is a wasteful number, since it uses less digits than its factorization.

16543074332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148308 (or 1148306 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 38.

The spelling of 16543074332 in words is "sixteen billion, five hundred forty-three million, seventy-four thousand, three hundred thirty-two".