16676320838 has 16 divisors (see below), whose sum is σ = 25698511104. Its totient is φ = 8110290240.

The previous prime is 16676320813. The next prime is 16676320897. The reversal of 16676320838 is 83802367661.

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, 217706 + ... + 284162.

It is an arithmetic number, because the mean of its divisors is an integer number (1606156944).

Almost surely, 2^16676320838 is an apocalyptic number.

16676320838 is a deficient number, since it is larger than the sum of its proper divisors (9022190266).

16676320838 is a wasteful number, since it uses less digits than its factorization.

16676320838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69887.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 16676320838 in words is "sixteen billion, six hundred seventy-six million, three hundred twenty thousand, eight hundred thirty-eight".