16686041148 has 216 divisors, whose sum is σ = 53563036800. Its totient is φ = 4516277472.

The previous prime is 16686041131. The next prime is 16686041149. The reversal of 16686041148 is 84114068661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16686041149) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 895713 + ... + 914151.

Almost surely, 2^16686041148 is an apocalyptic number.

16686041148 is a gapful number since it is divisible by the number (18) 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 16686041148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26781518400).

16686041148 is an abundant number, since it is smaller than the sum of its proper divisors (36876995652).

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

16686041148 is a wasteful number, since it uses less digits than its factorization.

16686041148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18491 (or 18470 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 16686041148 in words is "sixteen billion, six hundred eighty-six million, forty-one thousand, one hundred forty-eight".