16215132756323 has 8 divisors (see below), whose sum is σ = 16466453744208. Its totient is φ = 15964600846464.

The previous prime is 16215132756227. The next prime is 16215132756367. The reversal of 16215132756323 is 32365723151261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16215132756323 - 2¹² = 16215132752227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16215132716323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197228090 + ... + 197310287.

It is an arithmetic number, because the mean of its divisors is an integer number (2058306718026).

Almost surely, 2^{16215132756323} is an apocalyptic number.

16215132756323 is a deficient number, since it is larger than the sum of its proper divisors (251320987885).

16215132756323 is an equidigital number, since it uses as much as digits as its factorization.

16215132756323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394539013.

The product of its digits is 1360800, while the sum is 47.

The spelling of 16215132756323 in words is "sixteen trillion, two hundred fifteen billion, one hundred thirty-two million, seven hundred fifty-six thousand, three hundred twenty-three".