16912283897 has 4 divisors (see below), whose sum is σ = 17126363520. Its totient is φ = 16698204276.

The previous prime is 16912283891. The next prime is 16912283911. The reversal of 16912283897 is 79838221961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79838221961 = 4831 ⋅16526231.

It is a cyclic number.

It is not a de Polignac number, because 16912283897 - 2¹² = 16912279801 is a prime.

It is a super-2 number, since 2×16912283897² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16912283891) 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 3 ways as a sum of consecutive naturals, for example, 107039693 + ... + 107039850.

It is an arithmetic number, because the mean of its divisors is an integer number (4281590880).

Almost surely, 2^16912283897 is an apocalyptic number.

It is an amenable number.

16912283897 is a deficient number, since it is larger than the sum of its proper divisors (214079623).

16912283897 is an equidigital number, since it uses as much as digits as its factorization.

16912283897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214079622.

The product of its digits is 2612736, while the sum is 56.

The spelling of 16912283897 in words is "sixteen billion, nine hundred twelve million, two hundred eighty-three thousand, eight hundred ninety-seven".