16913040026 has 4 divisors (see below), whose sum is σ = 25369560042. Its totient is φ = 8456520012.

The previous prime is 16913040013. The next prime is 16913040037. The reversal of 16913040026 is 62004031961.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16797456025 + 115584001 = 129605^2 + 10751^2 .

It is a super-3 number, since 3×16913040026³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16913039974 and 16913040001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4228260005 + ... + 4228260008.

Almost surely, 2^16913040026 is an apocalyptic number.

16913040026 is a deficient number, since it is larger than the sum of its proper divisors (8456520016).

16913040026 is an equidigital number, since it uses as much as digits as its factorization.

16913040026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8456520015.

The product of its (nonzero) digits is 7776, while the sum is 32.

Adding to 16913040026 its reverse (62004031961), we get a palindrome (78917071987).

The spelling of 16913040026 in words is "sixteen billion, nine hundred thirteen million, forty thousand, twenty-six".