10554616620 has 72 divisors (see below), whose sum is σ = 32074499184. Its totient is φ = 2809392768.

The previous prime is 10554616609. The next prime is 10554616621. The reversal of 10554616620 is 2661645501.

10554616620 is a `hidden beast` number, since 10 + 5 + 5 + 4 + 6 + 16 + 620 = 666.

10554616620 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 2×10554616620² (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 (10554616621) 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, 44862 + ... + 152058.

Almost surely, 2^10554616620 is an apocalyptic number.

10554616620 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 10554616620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16037249592).

10554616620 is an abundant number, since it is smaller than the sum of its proper divisors (21519882564).

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

10554616620 is a wasteful number, since it uses less digits than its factorization.

10554616620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107759 (or 107754 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 10554616620 in words is "ten billion, five hundred fifty-four million, six hundred sixteen thousand, six hundred twenty".