16994938196 has 6 divisors (see below), whose sum is σ = 29741141850. Its totient is φ = 8497469096.

The previous prime is 16994938193. The next prime is 16994938291. The reversal of 16994938196 is 69183949961.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16393217296 + 601720900 = 128036^2 + 24530^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16994938193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124367271 + ... + 2124367278.

It is an arithmetic number, because the mean of its divisors is an integer number (4956856975).

Almost surely, 2^16994938196 is an apocalyptic number.

It is an amenable number.

16994938196 is a deficient number, since it is larger than the sum of its proper divisors (12746203654).

16994938196 is a wasteful number, since it uses less digits than its factorization.

16994938196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4248734553 (or 4248734551 counting only the distinct ones).

The product of its digits is 22674816, while the sum is 65.

The spelling of 16994938196 in words is "sixteen billion, nine hundred ninety-four million, nine hundred thirty-eight thousand, one hundred ninety-six".