16384798311616 has 56 divisors (see below), whose sum is σ = 37429611090336. Its totient is φ = 6970800506880.

The previous prime is 16384798311593. The next prime is 16384798311617. The reversal of 16384798311616 is 61611389748361.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is not an unprimeable number, because it can be changed into a prime (16384798311617) 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 7 ways as a sum of consecutive naturals, for example, 133417495 + ... + 133540246.

Almost surely, 2^{16384798311616} is an apocalyptic number.

16384798311616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16384798311616 is an abundant number, since it is smaller than the sum of its proper divisors (21044812778720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16384798311616 is a wasteful number, since it uses less digits than its factorization.

16384798311616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266957897 (or 266957887 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 64.

The spelling of 16384798311616 in words is "sixteen trillion, three hundred eighty-four billion, seven hundred ninety-eight million, three hundred eleven thousand, six hundred sixteen".