266010063800 has 192 divisors, whose sum is σ = 688711752960. Its totient is φ = 94887936000.

The previous prime is 266010063733. The next prime is 266010063911. The reversal of 266010063800 is 8360010662.

It is a super-2 number, since 2×266010063800² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53274104 + ... + 53279096.

It is an arithmetic number, because the mean of its divisors is an integer number (3587040380).

Almost surely, 2^266010063800 is an apocalyptic number.

266010063800 is a gapful number since it is divisible by the number (20) 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 266010063800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344355876480).

266010063800 is an abundant number, since it is smaller than the sum of its proper divisors (422701689160).

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

266010063800 is a wasteful number, since it uses less digits than its factorization.

266010063800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5714 (or 5705 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 266010063800 in words is "two hundred sixty-six billion, ten million, sixty-three thousand, eight hundred".