16668370337 has 4 divisors (see below), whose sum is σ = 16869194160. Its totient is φ = 16467546516.

The previous prime is 16668370283. The next prime is 16668370363. The reversal of 16668370337 is 73307386661.

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: 73307386661 = 59 ⋅1242498079.

It is a cyclic number.

It is not a de Polignac number, because 16668370337 - 2¹² = 16668366241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16668370837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100411787 + ... + 100411952.

It is an arithmetic number, because the mean of its divisors is an integer number (4217298540).

Almost surely, 2^16668370337 is an apocalyptic number.

It is an amenable number.

16668370337 is a deficient number, since it is larger than the sum of its proper divisors (200823823).

16668370337 is an equidigital number, since it uses as much as digits as its factorization.

16668370337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200823822.

The product of its (nonzero) digits is 2286144, while the sum is 50.

The spelling of 16668370337 in words is "sixteen billion, six hundred sixty-eight million, three hundred seventy thousand, three hundred thirty-seven".