16225547663 has 8 divisors (see below), whose sum is σ = 17474730000. Its totient is φ = 14976517248.

The previous prime is 16225547627. The next prime is 16225547683. The reversal of 16225547663 is 36674552261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16225547663 - 2⁸ = 16225547407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16225547623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286688 + ... + 338586.

It is an arithmetic number, because the mean of its divisors is an integer number (2184341250).

Almost surely, 2^16225547663 is an apocalyptic number.

16225547663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16225547663 is a deficient number, since it is larger than the sum of its proper divisors (1249182337).

16225547663 is a wasteful number, since it uses less digits than its factorization.

16225547663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75961.

The product of its digits is 1814400, while the sum is 47.

The spelling of 16225547663 in words is "sixteen billion, two hundred twenty-five million, five hundred forty-seven thousand, six hundred sixty-three".