16406263928 has 8 divisors (see below), whose sum is σ = 30761744880. Its totient is φ = 8203131960.

The previous prime is 16406263927. The next prime is 16406263999. The reversal of 16406263928 is 82936260461.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16406263927) 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 as a sum of consecutive naturals, namely, 1025391488 + ... + 1025391503.

It is an arithmetic number, because the mean of its divisors is an integer number (3845218110).

Almost surely, 2^16406263928 is an apocalyptic number.

It is an amenable number.

16406263928 is a deficient number, since it is larger than the sum of its proper divisors (14355480952).

16406263928 is a wasteful number, since it uses less digits than its factorization.

16406263928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050782997 (or 2050782993 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 16406263928 in words is "sixteen billion, four hundred six million, two hundred sixty-three thousand, nine hundred twenty-eight".