16263316320 has 96 divisors (see below), whose sum is σ = 51270734592. Its totient is φ = 4333389312.

The previous prime is 16263316313. The next prime is 16263316327. The reversal of 16263316320 is 2361336261.

It is an interprime number because it is at equal distance from previous prime (16263316313) and next prime (16263316327).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16263316327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612439 + ... + 638441.

It is an arithmetic number, because the mean of its divisors is an integer number (534070152).

Almost surely, 2^16263316320 is an apocalyptic number.

16263316320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16263316320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25635367296).

16263316320 is an abundant number, since it is smaller than the sum of its proper divisors (35007418272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16263316320 is a wasteful number, since it uses less digits than its factorization.

16263316320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27324 (or 27316 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 33.

The spelling of 16263316320 in words is "sixteen billion, two hundred sixty-three million, three hundred sixteen thousand, three hundred twenty".