10662061256 has 64 divisors (see below), whose sum is σ = 25042728960. Its totient is φ = 4134312000.

The previous prime is 10662061247. The next prime is 10662061271. The reversal of 10662061256 is 65216026601.

It is a super-2 number, since 2×10662061256² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88961 + ... + 170991.

It is an arithmetic number, because the mean of its divisors is an integer number (391292640).

Almost surely, 2^10662061256 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 10662061256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12521364480).

10662061256 is an abundant number, since it is smaller than the sum of its proper divisors (14380667704).

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

10662061256 is a wasteful number, since it uses less digits than its factorization.

10662061256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82266 (or 82262 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 10662061256 its reverse (65216026601), we get a palindrome (75878087857).

The spelling of 10662061256 in words is "ten billion, six hundred sixty-two million, sixty-one thousand, two hundred fifty-six".