16381198680 has 512 divisors, whose sum is σ = 64061798400. Its totient is φ = 3251404800.

The previous prime is 16381198583. The next prime is 16381198703. The reversal of 16381198680 is 8689118361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 30279210 + ... + 30279750.

It is an arithmetic number, because the mean of its divisors is an integer number (125120700).

Almost surely, 2^16381198680 is an apocalyptic number.

16381198680 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 16381198680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32030899200).

16381198680 is an abundant number, since it is smaller than the sum of its proper divisors (47680599720).

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

16381198680 is a wasteful number, since it uses less digits than its factorization.

16381198680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 51.

The spelling of 16381198680 in words is "sixteen billion, three hundred eighty-one million, one hundred ninety-eight thousand, six hundred eighty".