16221246962 has 6 divisors (see below), whose sum is σ = 24332140623. Its totient is φ = 8110533422.

The previous prime is 16221246953. The next prime is 16221247019. The reversal of 16221246962 is 26964212261.

It can be written as a sum of positive squares in only one way, i.e., 8110623481 + 8110623481 = 90059^2 + 90059^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=90059.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 135089 + ... + 225147.

Almost surely, 2^16221246962 is an apocalyptic number.

16221246962 is a deficient number, since it is larger than the sum of its proper divisors (8110893661).

16221246962 is an frugal number, since it uses more digits than its factorization.

16221246962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180120 (or 90061 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The spelling of 16221246962 in words is "sixteen billion, two hundred twenty-one million, two hundred forty-six thousand, nine hundred sixty-two".