16326573682668 has 24 divisors (see below), whose sum is σ = 38103064413120. Its totient is φ = 5441087538960.

The previous prime is 16326573682637. The next prime is 16326573682681. The reversal of 16326573682668 is 86628637562361.

It is a happy 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, 137899438 + ... + 138017781.

It is an arithmetic number, because the mean of its divisors is an integer number (1587627683880).

Almost surely, 2^{16326573682668} is an apocalyptic number.

It is an amenable number.

16326573682668 is an abundant number, since it is smaller than the sum of its proper divisors (21776490730452).

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

16326573682668 is a wasteful number, since it uses less digits than its factorization.

16326573682668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275922157 (or 275922155 counting only the distinct ones).

The product of its digits is 627056640, while the sum is 69.

The spelling of 16326573682668 in words is "sixteen trillion, three hundred twenty-six billion, five hundred seventy-three million, six hundred eighty-two thousand, six hundred sixty-eight".