16215342310663 has 4 divisors (see below), whose sum is σ = 16279945268328. Its totient is φ = 16150739353000.

The previous prime is 16215342310631. The next prime is 16215342310693. The reversal of 16215342310663 is 36601324351261.

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

It is a cyclic number.

It is not a de Polignac number, because 16215342310663 - 2⁵ = 16215342310631 is a prime.

It is a super-3 number, since 3×16215342310663³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16215342310693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32301478456 + ... + 32301478957.

It is an arithmetic number, because the mean of its divisors is an integer number (4069986317082).

Almost surely, 2^{16215342310663} is an apocalyptic number.

16215342310663 is a deficient number, since it is larger than the sum of its proper divisors (64602957665).

16215342310663 is an equidigital number, since it uses as much as digits as its factorization.

16215342310663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64602957664.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 16215342310663 in words is "sixteen trillion, two hundred fifteen billion, three hundred forty-two million, three hundred ten thousand, six hundred sixty-three".