10643464620 has 72 divisors (see below), whose sum is σ = 32401880784. Its totient is φ = 2827997568.

The previous prime is 10643464589. The next prime is 10643464621. The reversal of 10643464620 is 2646434601.

10643464620 is a `hidden beast` number, since 1 + 0 + 6 + 4 + 3 + 4 + 646 + 2 + 0 = 666.

10643464620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10643464620² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (10643464621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56874 + ... + 156593.

It is an arithmetic number, because the mean of its divisors is an integer number (450026122).

Almost surely, 2^10643464620 is an apocalyptic number.

10643464620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10643464620 is an abundant number, since it is smaller than the sum of its proper divisors (21758416164).

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

10643464620 is a wasteful number, since it uses less digits than its factorization.

10643464620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213759 (or 213754 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 10643464620 in words is "ten billion, six hundred forty-three million, four hundred sixty-four thousand, six hundred twenty".