16425247214667 has 4 divisors (see below), whose sum is σ = 21900329619560. Its totient is φ = 10950164809776.

The previous prime is 16425247214657. The next prime is 16425247214707. The reversal of 16425247214667 is 76641274252461.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16425247214667 - 2⁷ = 16425247214539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16425247214627) 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, 2737541202442 + ... + 2737541202447.

It is an arithmetic number, because the mean of its divisors is an integer number (5475082404890).

Almost surely, 2^{16425247214667} is an apocalyptic number.

16425247214667 is a deficient number, since it is larger than the sum of its proper divisors (5475082404893).

16425247214667 is an equidigital number, since it uses as much as digits as its factorization.

16425247214667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475082404892.

The product of its digits is 27095040, while the sum is 57.

The spelling of 16425247214667 in words is "sixteen trillion, four hundred twenty-five billion, two hundred forty-seven million, two hundred fourteen thousand, six hundred sixty-seven".