16054664646 has 16 divisors (see below), whose sum is σ = 33998113584. Its totient is φ = 5036757504.

The previous prime is 16054664611. The next prime is 16054664651. The reversal of 16054664646 is 64646645061.

It is a junction number, because it is equal to n+sod(n) for n = 16054664595 and 16054664604.

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 7 ways as a sum of consecutive naturals, for example, 78699235 + ... + 78699438.

It is an arithmetic number, because the mean of its divisors is an integer number (2124882099).

Almost surely, 2^16054664646 is an apocalyptic number.

16054664646 is an abundant number, since it is smaller than the sum of its proper divisors (17943448938).

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

16054664646 is a wasteful number, since it uses less digits than its factorization.

16054664646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157398695.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 16054664646 in words is "sixteen billion, fifty-four million, six hundred sixty-four thousand, six hundred forty-six".