10120071766644 has 144 divisors (see below), whose sum is σ = 29569430322432. Its totient is φ = 2858543778816.

The previous prime is 10120071766639. The next prime is 10120071766669. The reversal of 10120071766644 is 44666717002101.

It is a super-3 number, since 3×10120071766644³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 10120071766644.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 15063162 + ... + 15720654.

It is an arithmetic number, because the mean of its divisors is an integer number (205343266128).

Almost surely, 2^{10120071766644} is an apocalyptic number.

10120071766644 is a gapful number since it is divisible by the number (14) 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 10120071766644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14784715161216).

10120071766644 is an abundant number, since it is smaller than the sum of its proper divisors (19449358555788).

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

10120071766644 is a wasteful number, since it uses less digits than its factorization.

10120071766644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658206 (or 658201 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

Adding to 10120071766644 its reverse (44666717002101), we get a palindrome (54786788768745).

The spelling of 10120071766644 in words is "ten trillion, one hundred twenty billion, seventy-one million, seven hundred sixty-six thousand, six hundred forty-four".