16656018234645 has 32 divisors (see below), whose sum is σ = 27510922773504. Its totient is φ = 8596145779200.

The previous prime is 16656018234473. The next prime is 16656018234649. The reversal of 16656018234645 is 54643281065661.

It is not a de Polignac number, because 16656018234645 - 2¹² = 16656018230549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16656018234649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6868875 + ... + 8971815.

It is an arithmetic number, because the mean of its divisors is an integer number (859716336672).

Almost surely, 2^{16656018234645} is an apocalyptic number.

16656018234645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16656018234645 is a deficient number, since it is larger than the sum of its proper divisors (10854904538859).

16656018234645 is a wasteful number, since it uses less digits than its factorization.

16656018234645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120013.

The product of its (nonzero) digits is 24883200, while the sum is 57.

The spelling of 16656018234645 in words is "sixteen trillion, six hundred fifty-six billion, eighteen million, two hundred thirty-four thousand, six hundred forty-five".