16021474687616 has 32 divisors (see below), whose sum is σ = 32051328868800. Its totient is φ = 7977219599104.

The previous prime is 16021474687577. The next prime is 16021474687633. The reversal of 16021474687616 is 61678647412061.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 261826670 + ... + 261887853.

It is an arithmetic number, because the mean of its divisors is an integer number (1001604027150).

Almost surely, 2^{16021474687616} is an apocalyptic number.

16021474687616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16021474687616 is an abundant number, since it is smaller than the sum of its proper divisors (16029854181184).

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

16021474687616 is an equidigital number, since it uses as much as digits as its factorization.

16021474687616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523714776 (or 523714764 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 59.

The spelling of 16021474687616 in words is "sixteen trillion, twenty-one billion, four hundred seventy-four million, six hundred eighty-seven thousand, six hundred sixteen".