16562948788 has 6 divisors (see below), whose sum is σ = 28985160386. Its totient is φ = 8281474392.

The previous prime is 16562948771. The next prime is 16562948821. The reversal of 16562948788 is 88784926561.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11843533584 + 4719415204 = 108828^2 + 68698^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2070368595 + ... + 2070368602.

Almost surely, 2^16562948788 is an apocalyptic number.

It is an amenable number.

16562948788 is a deficient number, since it is larger than the sum of its proper divisors (12422211598).

16562948788 is a wasteful number, since it uses less digits than its factorization.

16562948788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140737201 (or 4140737199 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 64.

The spelling of 16562948788 in words is "sixteen billion, five hundred sixty-two million, nine hundred forty-eight thousand, seven hundred eighty-eight".