266963053320 has 96 divisors (see below), whose sum is σ = 867731641920. Its totient is φ = 71181801600.

The previous prime is 266963053277. The next prime is 266963053333. The reversal of 266963053320 is 23350369662.

266963053320 is a `hidden beast` number, since 2 + 6 + 6 + 9 + 6 + 305 + 332 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 3412645 + ... + 3489995.

It is an arithmetic number, because the mean of its divisors is an integer number (9038871270).

Almost surely, 2^266963053320 is an apocalyptic number.

266963053320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266963053320 is an abundant number, since it is smaller than the sum of its proper divisors (600768588600).

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

266963053320 is a wasteful number, since it uses less digits than its factorization.

266963053320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86955 (or 86948 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 45.

The spelling of 266963053320 in words is "two hundred sixty-six billion, nine hundred sixty-three million, fifty-three thousand, three hundred twenty".