10662444012 has 96 divisors (see below), whose sum is σ = 27552526848. Its totient is φ = 3208920000.

The previous prime is 10662444011. The next prime is 10662444019. The reversal of 10662444012 is 21044426601.

It is a happy number.

It is a super-2 number, since 2×10662444012² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10662444011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2409562 + ... + 2413982.

It is an arithmetic number, because the mean of its divisors is an integer number (287005488).

Almost surely, 2^10662444012 is an apocalyptic number.

10662444012 is a gapful number since it is divisible by the number (12) 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 10662444012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13776263424).

10662444012 is an abundant number, since it is smaller than the sum of its proper divisors (16890082836).

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

10662444012 is a wasteful number, since it uses less digits than its factorization.

10662444012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4612 (or 4588 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 10662444012 in words is "ten billion, six hundred sixty-two million, four hundred forty-four thousand, twelve".