266130928128000 has 832 divisors, whose sum is σ = 954332308081152. Its totient is φ = 65465509478400.

The previous prime is 266130928127971. The next prime is 266130928128059. The reversal of 266130928128000 is 821829031662.

It is a tau number, because it is divible by the number of its divisors (832).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38198780517 + ... + 38198787483.

It is an arithmetic number, because the mean of its divisors is an integer number (1147034024136).

Almost surely, 2^{266130928128000} is an apocalyptic number.

266130928128000 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 266130928128000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477166154040576).

266130928128000 is an abundant number, since it is smaller than the sum of its proper divisors (688201379953152).

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

266130928128000 is a wasteful number, since it uses less digits than its factorization.

266130928128000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8935 (or 8903 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 266130928128000 in words is "two hundred sixty-six trillion, one hundred thirty billion, nine hundred twenty-eight million, one hundred twenty-eight thousand".