16257434555285 has 32 divisors (see below), whose sum is σ = 24323247820800. Its totient is φ = 10134322724160.

The previous prime is 16257434555273. The next prime is 16257434555317. The reversal of 16257434555285 is 58255543475261.

It is not a de Polignac number, because 16257434555285 - 2¹⁰ = 16257434554261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22958756 + ... + 23656274.

It is an arithmetic number, because the mean of its divisors is an integer number (760101494400).

Almost surely, 2^{16257434555285} is an apocalyptic number.

It is an amenable number.

16257434555285 is a deficient number, since it is larger than the sum of its proper divisors (8065813265515).

16257434555285 is a wasteful number, since it uses less digits than its factorization.

16257434555285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758081.

The product of its digits is 201600000, while the sum is 62.

The spelling of 16257434555285 in words is "sixteen trillion, two hundred fifty-seven billion, four hundred thirty-four million, five hundred fifty-five thousand, two hundred eighty-five".