10651521061620 has 240 divisors, whose sum is σ = 33478975992000. Its totient is φ = 2834906273280.

The previous prime is 10651521061589. The next prime is 10651521061637. The reversal of 10651521061620 is 2616012515601.

10651521061620 is a `hidden beast` number, since 1 + 0 + 6 + 5 + 1 + 5 + 2 + 10 + 616 + 20 = 666.

It is a super-2 number, since 2×10651521061620² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3493445856 + ... + 3493448904.

It is an arithmetic number, because the mean of its divisors is an integer number (139495733300).

Almost surely, 2^{10651521061620} is an apocalyptic number.

10651521061620 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 10651521061620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16739487996000).

10651521061620 is an abundant number, since it is smaller than the sum of its proper divisors (22827454930380).

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

10651521061620 is a wasteful number, since it uses less digits than its factorization.

10651521061620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6540 (or 6529 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 10651521061620 in words is "ten trillion, six hundred fifty-one billion, five hundred twenty-one million, sixty-one thousand, six hundred twenty".