16225228968 has 48 divisors (see below), whose sum is σ = 43923337920. Its totient is φ = 4992376896.

The previous prime is 16225228967. The next prime is 16225228993. The reversal of 16225228968 is 86982252261.

It is a self number, because there is not a number n which added to its sum of digits gives 16225228968.

It is not an unprimeable number, because it can be changed into a prime (16225228963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1996096 + ... + 2004207.

It is an arithmetic number, because the mean of its divisors is an integer number (915069540).

Almost surely, 2^16225228968 is an apocalyptic number.

It is an amenable number.

16225228968 is an abundant number, since it is smaller than the sum of its proper divisors (27698108952).

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

16225228968 is a wasteful number, since it uses less digits than its factorization.

16225228968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000338 (or 4000321 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The spelling of 16225228968 in words is "sixteen billion, two hundred twenty-five million, two hundred twenty-eight thousand, nine hundred sixty-eight".