10643516652 has 12 divisors (see below), whose sum is σ = 24834872216. Its totient is φ = 3547838880.

The previous prime is 10643516627. The next prime is 10643516707. The reversal of 10643516652 is 25661534601.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10643516652² (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 10643516652.

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 in 3 ways as a sum of consecutive naturals, for example, 443479849 + ... + 443479872.

Almost surely, 2^10643516652 is an apocalyptic number.

10643516652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10643516652 is an abundant number, since it is smaller than the sum of its proper divisors (14191355564).

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

10643516652 is a wasteful number, since it uses less digits than its factorization.

10643516652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886959728 (or 886959726 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 10643516652 in words is "ten billion, six hundred forty-three million, five hundred sixteen thousand, six hundred fifty-two".