10531645616 has 20 divisors (see below), whose sum is σ = 20510795112. Its totient is φ = 5238537216.

The previous prime is 10531645601. The next prime is 10531645637. The reversal of 10531645616 is 61654613501.

It is a super-2 number, since 2×10531645616² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10531645616.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702166 + ... + 1708341.

Almost surely, 2^10531645616 is an apocalyptic number.

10531645616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10531645616 is a deficient number, since it is larger than the sum of its proper divisors (9979149496).

10531645616 is a wasteful number, since it uses less digits than its factorization.

10531645616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410708 (or 3410702 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 10531645616 in words is "ten billion, five hundred thirty-one million, six hundred forty-five thousand, six hundred sixteen".