16308638480 has 80 divisors (see below), whose sum is σ = 38688041664. Its totient is φ = 6391257600.

The previous prime is 16308638461. The next prime is 16308638483. The reversal of 16308638480 is 8483680361.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (16308638483) 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, 3504155 + ... + 3508805.

Almost surely, 2^16308638480 is an apocalyptic number.

16308638480 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 16308638480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19344020832).

16308638480 is an abundant number, since it is smaller than the sum of its proper divisors (22379403184).

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

16308638480 is a wasteful number, since it uses less digits than its factorization.

16308638480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5544 (or 5538 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 16308638480 in words is "sixteen billion, three hundred eight million, six hundred thirty-eight thousand, four hundred eighty".