10523326656 has 56 divisors (see below), whose sum is σ = 27917804464. Its totient is φ = 3498347520.

The previous prime is 10523326637. The next prime is 10523326663. The reversal of 10523326656 is 65662332501.

It is a super-3 number, since 3×10523326656³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1855 + ... + 145086.

Almost surely, 2^10523326656 is an apocalyptic number.

10523326656 is a gapful number since it is divisible by the number (16) 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 10523326656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13958902232).

10523326656 is an abundant number, since it is smaller than the sum of its proper divisors (17394477808).

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

10523326656 is a wasteful number, since it uses less digits than its factorization.

10523326656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147329 (or 147319 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 39.

The spelling of 10523326656 in words is "ten billion, five hundred twenty-three million, three hundred twenty-six thousand, six hundred fifty-six".