16688955072 has 28 divisors (see below), whose sum is σ = 44156194136. Its totient is φ = 5562984960.

The previous prime is 16688955053. The next prime is 16688955091. The reversal of 16688955072 is 27055988661.

It is an interprime number because it is at equal distance from previous prime (16688955053) and next prime (16688955091).

It is an unprimeable number.

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, 43460629 + ... + 43461012.

Almost surely, 2^16688955072 is an apocalyptic number.

16688955072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16688955072 is an abundant number, since it is smaller than the sum of its proper divisors (27467239064).

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

16688955072 is an equidigital number, since it uses as much as digits as its factorization.

16688955072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86921656 (or 86921646 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 16688955072 in words is "sixteen billion, six hundred eighty-eight million, nine hundred fifty-five thousand, seventy-two".