16545904789948 has 24 divisors (see below), whose sum is σ = 29026243732640. Its totient is φ = 8252698728960.

The previous prime is 16545904789913. The next prime is 16545904790021. The reversal of 16545904789948 is 84998740954561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9525940 + ... + 11128132.

Almost surely, 2^{16545904789948} is an apocalyptic number.

It is an amenable number.

16545904789948 is a deficient number, since it is larger than the sum of its proper divisors (12480338942692).

16545904789948 is a wasteful number, since it uses less digits than its factorization.

16545904789948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608517 (or 1608515 counting only the distinct ones).

The product of its (nonzero) digits is 3135283200, while the sum is 79.

The spelling of 16545904789948 in words is "sixteen trillion, five hundred forty-five billion, nine hundred four million, seven hundred eighty-nine thousand, nine hundred forty-eight".