26163062500 has 63 divisors (see below), whose sum is σ = 57319559269. Its totient is φ = 10449050000.

The previous prime is 26163062389. The next prime is 26163062503. The reversal of 26163062500 is 526036162.

The square root of 26163062500 is 161750.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 3 ways, for example, as 22921354404 + 3241708096 = 151398^2 + 56936^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26163062503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 40437177 + ... + 40437823.

Almost surely, 2^26163062500 is an apocalyptic number.

26163062500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

26163062500 is the 161750-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26163062500

26163062500 is an abundant number, since it is smaller than the sum of its proper divisors (31156496769).

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

26163062500 is an frugal number, since it uses more digits than its factorization.

26163062500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 26163062500 its reverse (526036162), we get a palindrome (26689098662).

The spelling of 26163062500 in words is "twenty-six billion, one hundred sixty-three million, sixty-two thousand, five hundred".