10606921920 has 448 divisors, whose sum is σ = 43300131840. Its totient is φ = 2394095616.

The previous prime is 10606921909. The next prime is 10606921921. The reversal of 10606921920 is 2912960601.

10606921920 is a `hidden beast` number, since 1 + 0 + 606 + 9 + 21 + 9 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×10606921920² (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 (10606921921) 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 63 ways as a sum of consecutive naturals, for example, 5018784 + ... + 5020896.

It is an arithmetic number, because the mean of its divisors is an integer number (96652080).

Almost surely, 2^10606921920 is an apocalyptic number.

10606921920 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 10606921920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21650065920).

10606921920 is an abundant number, since it is smaller than the sum of its proper divisors (32693209920).

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

10606921920 is a wasteful number, since it uses less digits than its factorization.

10606921920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229 (or 2213 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 10606921920 in words is "ten billion, six hundred six million, nine hundred twenty-one thousand, nine hundred twenty".