10648781620 has 48 divisors (see below), whose sum is σ = 22492608768. Its totient is φ = 4234791680.

The previous prime is 10648781603. The next prime is 10648781639. The reversal of 10648781620 is 2618784601.

It is a super-2 number, since 2×10648781620² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2824977 + ... + 2828743.

It is an arithmetic number, because the mean of its divisors is an integer number (468596016).

Almost surely, 2^10648781620 is an apocalyptic number.

10648781620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10648781620 is an abundant number, since it is smaller than the sum of its proper divisors (11843827148).

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

10648781620 is a wasteful number, since it uses less digits than its factorization.

10648781620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4560 (or 4558 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 10648781620 in words is "ten billion, six hundred forty-eight million, seven hundred eighty-one thousand, six hundred twenty".