266655050452600 has 96 divisors (see below), whose sum is σ = 624540295724400. Its totient is φ = 105877594368000.

The previous prime is 266655050452471. The next prime is 266655050452619. The reversal of 266655050452600 is 6254050556662.

It is a super-2 number, since 2×266655050452600² (a number of 30 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 23 ways as a sum of consecutive naturals, for example, 27474375 + ... + 35890825.

Almost surely, 2^{266655050452600} is an apocalyptic number.

266655050452600 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 266655050452600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312270147862200).

266655050452600 is an abundant number, since it is smaller than the sum of its proper divisors (357885245271800).

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

266655050452600 is a wasteful number, since it uses less digits than its factorization.

266655050452600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8417633 (or 8417624 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 52.

The spelling of 266655050452600 in words is "two hundred sixty-six trillion, six hundred fifty-five billion, fifty million, four hundred fifty-two thousand, six hundred".