16563375360 has 216 divisors, whose sum is σ = 65494665600. Its totient is φ = 3785895936.

The previous prime is 16563375331. The next prime is 16563375373. The reversal of 16563375360 is 6357336561.

16563375360 is a `hidden beast` number, since 1 + 6 + 5 + 633 + 7 + 5 + 3 + 6 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22060 + ... + 183339.

Almost surely, 2^16563375360 is an apocalyptic number.

16563375360 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 16563375360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32747332800).

16563375360 is an abundant number, since it is smaller than the sum of its proper divisors (48931290240).

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

16563375360 is a wasteful number, since it uses less digits than its factorization.

16563375360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205433 (or 205416 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 45.

The spelling of 16563375360 in words is "sixteen billion, five hundred sixty-three million, three hundred seventy-five thousand, three hundred sixty".