16209471168 has 560 divisors, whose sum is σ = 57994320384. Its totient is φ = 4415938560.

The previous prime is 16209471101. The next prime is 16209471169. The reversal of 16209471168 is 86117490261.

16209471168 is a `hidden beast` number, since 1 + 620 + 9 + 4 + 7 + 1 + 16 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (16209471169) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 22296021 + ... + 22296747.

Almost surely, 2^16209471168 is an apocalyptic number.

16209471168 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 16209471168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28997160192).

16209471168 is an abundant number, since it is smaller than the sum of its proper divisors (41784849216).

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

16209471168 is a wasteful number, since it uses less digits than its factorization.

16209471168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 16209471168 in words is "sixteen billion, two hundred nine million, four hundred seventy-one thousand, one hundred sixty-eight".