2663041667540 has 48 divisors (see below), whose sum is σ = 5617036938240. Its totient is φ = 1060522594560.

The previous prime is 2663041667437. The next prime is 2663041667549. The reversal of 2663041667540 is 457661403662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663041667549) 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, 47835041 + ... + 47890679.

It is an arithmetic number, because the mean of its divisors is an integer number (117021602880).

Almost surely, 2^{2663041667540} is an apocalyptic number.

2663041667540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2663041667540 is an abundant number, since it is smaller than the sum of its proper divisors (2953995270700).

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

2663041667540 is a wasteful number, since it uses less digits than its factorization.

2663041667540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66152 (or 66150 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 2663041667540 in words is "two trillion, six hundred sixty-three billion, forty-one million, six hundred sixty-seven thousand, five hundred forty".