16670020337 has 4 divisors (see below), whose sum is σ = 16670904816. Its totient is φ = 16669135860.

The previous prime is 16670020333. The next prime is 16670020357. The reversal of 16670020337 is 73302007661.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 16670020337 - 2² = 16670020333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16670020297 and 16670020306.

It is not an unprimeable number, because it can be changed into a prime (16670020331) 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, 413339 + ... + 451872.

It is an arithmetic number, because the mean of its divisors is an integer number (4167726204).

Almost surely, 2^16670020337 is an apocalyptic number.

It is an amenable number.

16670020337 is a deficient number, since it is larger than the sum of its proper divisors (884479).

16670020337 is an equidigital number, since it uses as much as digits as its factorization.

16670020337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884478.

The product of its (nonzero) digits is 31752, while the sum is 35.

Adding to 16670020337 its reverse (73302007661), we get a palindrome (89972027998).

The spelling of 16670020337 in words is "sixteen billion, six hundred seventy million, twenty thousand, three hundred thirty-seven".