16225567536 has 20 divisors (see below), whose sum is σ = 41916049592. Its totient is φ = 5408522496.

The previous prime is 16225567531. The next prime is 16225567607. The reversal of 16225567536 is 63576552261.

It is a super-2 number, since 2×16225567536² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 338032657 = 16225567536 / (1 + 6 + 2 + 2 + 5 + 5 + 6 + 7 + 5 + 3 + 6).

It is not an unprimeable number, because it can be changed into a prime (16225567531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169016281 + ... + 169016376.

Almost surely, 2^16225567536 is an apocalyptic number.

16225567536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16225567536 is an abundant number, since it is smaller than the sum of its proper divisors (25690482056).

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

16225567536 is a wasteful number, since it uses less digits than its factorization.

16225567536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338032668 (or 338032662 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 48.

The spelling of 16225567536 in words is "sixteen billion, two hundred twenty-five million, five hundred sixty-seven thousand, five hundred thirty-six".