16672196938 has 8 divisors (see below), whose sum is σ = 25056297540. Its totient is φ = 8320097760.

The previous prime is 16672196917. The next prime is 16672196941. The reversal of 16672196938 is 83969127661.

It can be written as a sum of positive squares in 2 ways, for example, as 15935780169 + 736416769 = 126237^2 + 27137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

16672196938 is a modest number, since divided by 196938 gives 16672 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7999053 + ... + 8001136.

Almost surely, 2^16672196938 is an apocalyptic number.

16672196938 is a deficient number, since it is larger than the sum of its proper divisors (8384100602).

16672196938 is a wasteful number, since it uses less digits than its factorization.

16672196938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16000712.

The product of its digits is 5878656, while the sum is 58.

The spelling of 16672196938 in words is "sixteen billion, six hundred seventy-two million, one hundred ninety-six thousand, nine hundred thirty-eight".