16329390480 has 320 divisors, whose sum is σ = 61866040320. Its totient is φ = 3933702144.

The previous prime is 16329390439. The next prime is 16329390551. The reversal of 16329390480 is 8409392361.

It is a happy number.

16329390480 is a `hidden beast` number, since 1 + 63 + 29 + 3 + 90 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1313574 + ... + 1325946.

It is an arithmetic number, because the mean of its divisors is an integer number (193331376).

Almost surely, 2^16329390480 is an apocalyptic number.

16329390480 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 16329390480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30933020160).

16329390480 is an abundant number, since it is smaller than the sum of its proper divisors (45536649840).

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

16329390480 is a wasteful number, since it uses less digits than its factorization.

16329390480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12455 (or 12443 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 16329390480 in words is "sixteen billion, three hundred twenty-nine million, three hundred ninety thousand, four hundred eighty".