16340332656 has 20 divisors (see below), whose sum is σ = 42212526152. Its totient is φ = 5446777536.

The previous prime is 16340332651. The next prime is 16340332667. The reversal of 16340332656 is 65623304361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16340332651) 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 in 3 ways as a sum of consecutive naturals, for example, 170211751 + ... + 170211846.

Almost surely, 2^16340332656 is an apocalyptic number.

16340332656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16340332656 is an abundant number, since it is smaller than the sum of its proper divisors (25872193496).

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

16340332656 is a wasteful number, since it uses less digits than its factorization.

16340332656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340423608 (or 340423602 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 39.

The spelling of 16340332656 in words is "sixteen billion, three hundred forty million, three hundred thirty-two thousand, six hundred fifty-six".