565420242666 has 32 divisors (see below), whose sum is σ = 1177412515776. Its totient is φ = 180862128000.

The previous prime is 565420242661. The next prime is 565420242671. The reversal of 565420242666 is 666242024565.

565420242666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (565420242661) and next prime (565420242671).

It is not an unprimeable number, because it can be changed into a prime (565420242661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18824800 + ... + 18854811.

It is an arithmetic number, because the mean of its divisors is an integer number (36794141118).

Almost surely, 2^565420242666 is an apocalyptic number.

565420242666 is an abundant number, since it is smaller than the sum of its proper divisors (611992273110).

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

565420242666 is a wasteful number, since it uses less digits than its factorization.

565420242666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37679718.

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 565420242666 in words is "five hundred sixty-five billion, four hundred twenty million, two hundred forty-two thousand, six hundred sixty-six".