16025386667 has 4 divisors (see below), whose sum is σ = 16542334656. Its totient is φ = 15508438680.

The previous prime is 16025386639. The next prime is 16025386687. The reversal of 16025386667 is 76668352061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76668352061 = 7 ⋅10952621723.

It is a cyclic number.

It is not a de Polignac number, because 16025386667 - 2⁶ = 16025386603 is a prime.

It is a super-2 number, since 2×16025386667² (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 (16025386687) 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, 258473948 + ... + 258474009.

It is an arithmetic number, because the mean of its divisors is an integer number (4135583664).

Almost surely, 2^16025386667 is an apocalyptic number.

16025386667 is a deficient number, since it is larger than the sum of its proper divisors (516947989).

16025386667 is an equidigital number, since it uses as much as digits as its factorization.

16025386667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516947988.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 16025386667 in words is "sixteen billion, twenty-five million, three hundred eighty-six thousand, six hundred sixty-seven".