16432451214065 has 4 divisors (see below), whose sum is σ = 19718941456884. Its totient is φ = 13145960971248.

The previous prime is 16432451214061. The next prime is 16432451214079. The reversal of 16432451214065 is 56041215423461.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11989647236449 + 4442803977616 = 3462607^2 + 2107796^2 .

It is a cyclic number.

It is not a de Polignac number, because 16432451214065 - 2² = 16432451214061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16432451214061) 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, 1643245121402 + ... + 1643245121411.

It is an arithmetic number, because the mean of its divisors is an integer number (4929735364221).

Almost surely, 2^{16432451214065} is an apocalyptic number.

It is an amenable number.

16432451214065 is a deficient number, since it is larger than the sum of its proper divisors (3286490242819).

16432451214065 is an equidigital number, since it uses as much as digits as its factorization.

16432451214065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286490242818.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 16432451214065 in words is "sixteen trillion, four hundred thirty-two billion, four hundred fifty-one million, two hundred fourteen thousand, sixty-five".