10653643520 has 288 divisors, whose sum is σ = 29888839680. Its totient is φ = 3603087360.

The previous prime is 10653643499. The next prime is 10653643523. The reversal of 10653643520 is 2534635601.

It is a super-2 number, since 2×10653643520² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10653643523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9800417 + ... + 9801503.

Almost surely, 2^10653643520 is an apocalyptic number.

10653643520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10653643520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14944419840).

10653643520 is an abundant number, since it is smaller than the sum of its proper divisors (19235196160).

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

10653643520 is a wasteful number, since it uses less digits than its factorization.

10653643520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 10653643520 in words is "ten billion, six hundred fifty-three million, six hundred forty-three thousand, five hundred twenty".