16328238412 has 24 divisors (see below), whose sum is σ = 28929649392. Its totient is φ = 8062699200.

The previous prime is 16328238403. The next prime is 16328238473. The reversal of 16328238412 is 21483282361.

It is a super-2 number, since 2×16328238412² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1048362 + ... + 1063822.

It is an arithmetic number, because the mean of its divisors is an integer number (1205402058).

Almost surely, 2^16328238412 is an apocalyptic number.

It is an amenable number.

16328238412 is a deficient number, since it is larger than the sum of its proper divisors (12601410980).

16328238412 is a wasteful number, since it uses less digits than its factorization.

16328238412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18729 (or 18727 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The spelling of 16328238412 in words is "sixteen billion, three hundred twenty-eight million, two hundred thirty-eight thousand, four hundred twelve".