16764402016 has 24 divisors (see below), whose sum is σ = 33627654144. Its totient is φ = 8224045440.

The previous prime is 16764402007. The next prime is 16764402029. The reversal of 16764402016 is 61020446761.

It is a congruent number.

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, 4940640 + ... + 4944031.

It is an arithmetic number, because the mean of its divisors is an integer number (1401152256).

Almost surely, 2^16764402016 is an apocalyptic number.

16764402016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16764402016 is an abundant number, since it is smaller than the sum of its proper divisors (16863252128).

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

16764402016 is an equidigital number, since it uses as much as digits as its factorization.

16764402016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9884734 (or 9884726 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

Adding to 16764402016 its reverse (61020446761), we get a palindrome (77784848777).

The spelling of 16764402016 in words is "sixteen billion, seven hundred sixty-four million, four hundred two thousand, sixteen".