266436914328 has 128 divisors (see below), whose sum is σ = 797865868800. Its totient is φ = 81894976128.

The previous prime is 266436914297. The next prime is 266436914347. The reversal of 266436914328 is 823419634662.

266436914328 is a `hidden beast` number, since 2 + 66 + 436 + 9 + 143 + 2 + 8 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2666275 + ... + 2764397.

It is an arithmetic number, because the mean of its divisors is an integer number (6233327100).

Almost surely, 2^266436914328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266436914328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398932934400).

266436914328 is an abundant number, since it is smaller than the sum of its proper divisors (531428954472).

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

266436914328 is a wasteful number, since it uses less digits than its factorization.

266436914328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99118 (or 99108 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 54.

The spelling of 266436914328 in words is "two hundred sixty-six billion, four hundred thirty-six million, nine hundred fourteen thousand, three hundred twenty-eight".