16320520366 has 8 divisors (see below), whose sum is σ = 25545162384. Its totient is φ = 7805466240.

The previous prime is 16320520313. The next prime is 16320520367. The reversal of 16320520366 is 66302502361.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16320520367) 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, 177396915 + ... + 177397006.

It is an arithmetic number, because the mean of its divisors is an integer number (3193145298).

Almost surely, 2^16320520366 is an apocalyptic number.

16320520366 is a deficient number, since it is larger than the sum of its proper divisors (9224642018).

16320520366 is a wasteful number, since it uses less digits than its factorization.

16320520366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354793946.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 16320520366 in words is "sixteen billion, three hundred twenty million, five hundred twenty thousand, three hundred sixty-six".