16694443026 has 12 divisors (see below), whose sum is σ = 36171293262. Its totient is φ = 5564814336.

The previous prime is 16694443019. The next prime is 16694443061. The reversal of 16694443026 is 62034449661.

It can be written as a sum of positive squares in only one way, i.e., 11717846001 + 4976597025 = 108249^2 + 70545^2 .

It is a super-4 number, since 4×16694443026⁴ (a number of 42 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 463734511 + ... + 463734546.

Almost surely, 2^16694443026 is an apocalyptic number.

16694443026 is an abundant number, since it is smaller than the sum of its proper divisors (19476850236).

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

16694443026 is a wasteful number, since it uses less digits than its factorization.

16694443026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927469065 (or 927469062 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 16694443026 in words is "sixteen billion, six hundred ninety-four million, four hundred forty-three thousand, twenty-six".