16006156668 has 36 divisors (see below), whose sum is σ = 41223408408. Its totient is φ = 5234717280.

The previous prime is 16006156667. The next prime is 16006156703. The reversal of 16006156668 is 86665160061.

16006156668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16006156667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4192578 + ... + 4196393.

It is an arithmetic number, because the mean of its divisors is an integer number (1145094678).

Almost surely, 2^16006156668 is an apocalyptic number.

16006156668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16006156668 is an abundant number, since it is smaller than the sum of its proper divisors (25217251740).

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

16006156668 is a wasteful number, since it uses less digits than its factorization.

16006156668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8389034 (or 8389029 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 16006156668 in words is "sixteen billion, six million, one hundred fifty-six thousand, six hundred sixty-eight".