10660215544 has 64 divisors (see below), whose sum is σ = 22980672000. Its totient is φ = 4584913920.

The previous prime is 10660215509. The next prime is 10660215547. The reversal of 10660215544 is 44551206601.

It is a super-2 number, since 2×10660215544² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10660215547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1549857 + ... + 1556719.

It is an arithmetic number, because the mean of its divisors is an integer number (359073000).

Almost surely, 2^10660215544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10660215544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11490336000).

10660215544 is an abundant number, since it is smaller than the sum of its proper divisors (12320456456).

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

10660215544 is a wasteful number, since it uses less digits than its factorization.

10660215544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7828 (or 7824 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 10660215544 in words is "ten billion, six hundred sixty million, two hundred fifteen thousand, five hundred forty-four".