2541366666664 has 32 divisors (see below), whose sum is σ = 5466492155520. Its totient is φ = 1085015854656.

The previous prime is 2541366666661. The next prime is 2541366666667. The reversal of 2541366666664 is 4666666631452.

2541366666664 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 (2541366666661) and next prime (2541366666667).

It is not an unprimeable number, because it can be changed into a prime (2541366666661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86261979 + ... + 86291434.

It is an arithmetic number, because the mean of its divisors is an integer number (170827879860).

Almost surely, 2^{2541366666664} is an apocalyptic number.

It is an amenable number.

2541366666664 is an abundant number, since it is smaller than the sum of its proper divisors (2925125488856).

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

2541366666664 is a wasteful number, since it uses less digits than its factorization.

2541366666664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172553689 (or 172553685 counting only the distinct ones).

The product of its digits is 134369280, while the sum is 61.

The spelling of 2541366666664 in words is "two trillion, five hundred forty-one billion, three hundred sixty-six million, six hundred sixty-six thousand, six hundred sixty-four".