6454881256266 has 32 divisors (see below), whose sum is σ = 14967840597120. Its totient is φ = 2058078081312.

The previous prime is 6454881256231. The next prime is 6454881256273. The reversal of 6454881256266 is 6626521884546.

6454881256266 is a `hidden beast` number, since 6 + 4 + 5 + 4 + 8 + 8 + 1 + 2 + 562 + 66 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2598582195 + ... + 2598584678.

It is an arithmetic number, because the mean of its divisors is an integer number (467745018660).

Almost surely, 2^{6454881256266} is an apocalyptic number.

6454881256266 is an abundant number, since it is smaller than the sum of its proper divisors (8512959340854).

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

6454881256266 is a wasteful number, since it uses less digits than its factorization.

6454881256266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5197166907 (or 5197166901 counting only the distinct ones).

The product of its digits is 132710400, while the sum is 63.

The spelling of 6454881256266 in words is "six trillion, four hundred fifty-four billion, eight hundred eighty-one million, two hundred fifty-six thousand, two hundred sixty-six".