16898904979 has 8 divisors (see below), whose sum is σ = 18456791472. Its totient is φ = 15344622240.

The previous prime is 16898904947. The next prime is 16898905003. The reversal of 16898904979 is 97940989861.

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

It is a cyclic number.

It is not a de Polignac number, because 16898904979 - 2⁵ = 16898904947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16898904079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891124 + ... + 909889.

It is an arithmetic number, because the mean of its divisors is an integer number (2307098934).

Almost surely, 2^16898904979 is an apocalyptic number.

16898904979 is a deficient number, since it is larger than the sum of its proper divisors (1557886493).

16898904979 is a wasteful number, since it uses less digits than its factorization.

16898904979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801877.

The product of its (nonzero) digits is 70543872, while the sum is 70.

The spelling of 16898904979 in words is "sixteen billion, eight hundred ninety-eight million, nine hundred four thousand, nine hundred seventy-nine".