16840267872 has 48 divisors (see below), whose sum is σ = 46532324160. Its totient is φ = 5317978752.

The previous prime is 16840267849. The next prime is 16840267889. The reversal of 16840267872 is 27876204861.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 4614478 + ... + 4618125.

It is an arithmetic number, because the mean of its divisors is an integer number (969423420).

Almost surely, 2^16840267872 is an apocalyptic number.

16840267872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16840267872 is an abundant number, since it is smaller than the sum of its proper divisors (29692056288).

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

16840267872 is a wasteful number, since it uses less digits than its factorization.

16840267872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9232635 (or 9232627 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 16840267872 in words is "sixteen billion, eight hundred forty million, two hundred sixty-seven thousand, eight hundred seventy-two".