16897390826 has 16 divisors (see below), whose sum is σ = 25714281600. Its totient is φ = 8326462368.

The previous prime is 16897390823. The next prime is 16897390837. The reversal of 16897390826 is 62809379861.

It is not an unprimeable number, because it can be changed into a prime (16897390823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56546 + ... + 192333.

It is an arithmetic number, because the mean of its divisors is an integer number (1607142600).

Almost surely, 2^16897390826 is an apocalyptic number.

16897390826 is a deficient number, since it is larger than the sum of its proper divisors (8816890774).

16897390826 is a wasteful number, since it uses less digits than its factorization.

16897390826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249373.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 16897390826 in words is "sixteen billion, eight hundred ninety-seven million, three hundred ninety thousand, eight hundred twenty-six".