2666342003454 has 96 divisors (see below), whose sum is σ = 6150069278496. Its totient is φ = 831966750720.

The previous prime is 2666342003453. The next prime is 2666342003491. The reversal of 2666342003454 is 4543002436662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666342003453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 235516114 + ... + 235527434.

It is an arithmetic number, because the mean of its divisors is an integer number (64063221651).

Almost surely, 2^{2666342003454} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2666342003454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3075034639248).

2666342003454 is an abundant number, since it is smaller than the sum of its proper divisors (3483727275042).

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

2666342003454 is a wasteful number, since it uses less digits than its factorization.

2666342003454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15450 (or 15447 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 45.

The spelling of 2666342003454 in words is "two trillion, six hundred sixty-six billion, three hundred forty-two million, three thousand, four hundred fifty-four".