26651323650064 has 225 divisors, whose sum is σ = 57408084849885. Its totient is φ = 11983589429760.

The previous prime is 26651323650019. The next prime is 26651323650073. The reversal of 26651323650064 is 46005632315662.

The square root of 26651323650064 is 5162492.

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

It can be written as a sum of positive squares in only one way, i.e., 20749300419600 + 5902023230464 = 4555140^2 + 2429408^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 337358527177 + ... + 337358527255.

Almost surely, 2^{26651323650064} is an apocalyptic number.

26651323650064 is the 5162492-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26651323650064

26651323650064 is an abundant number, since it is smaller than the sum of its proper divisors (30756761199821).

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

26651323650064 is an frugal number, since it uses more digits than its factorization.

26651323650064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 49.

The spelling of 26651323650064 in words is "twenty-six trillion, six hundred fifty-one billion, three hundred twenty-three million, six hundred fifty thousand, sixty-four".