16202161244812 has 24 divisors (see below), whose sum is σ = 28965030312960. Its totient is φ = 7926533252880.

The previous prime is 16202161244809. The next prime is 16202161244813. The reversal of 16202161244812 is 21844216120261.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16202161244813) 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, 11184862 + ... + 12550117.

It is an arithmetic number, because the mean of its divisors is an integer number (1206876263040).

Almost surely, 2^{16202161244812} is an apocalyptic number.

It is an amenable number.

16202161244812 is a deficient number, since it is larger than the sum of its proper divisors (12762869068148).

16202161244812 is a wasteful number, since it uses less digits than its factorization.

16202161244812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23738661 (or 23738659 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 16202161244812 in words is "sixteen trillion, two hundred two billion, one hundred sixty-one million, two hundred forty-four thousand, eight hundred twelve".