16498984320 has 384 divisors, whose sum is σ = 70122911040. Its totient is φ = 3480993792.

The previous prime is 16498984303. The next prime is 16498984357. The reversal of 16498984320 is 2348989461.

16498984320 is a `hidden beast` number, since 1 + 6 + 498 + 98 + 43 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 508422 + ... + 539898.

Almost surely, 2^16498984320 is an apocalyptic number.

16498984320 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 16498984320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35061455520).

16498984320 is an abundant number, since it is smaller than the sum of its proper divisors (53623926720).

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

16498984320 is a wasteful number, since it uses less digits than its factorization.

16498984320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31522 (or 31507 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 16498984320 in words is "sixteen billion, four hundred ninety-eight million, nine hundred eighty-four thousand, three hundred twenty".