2580163400766 has 48 divisors (see below), whose sum is σ = 6003746336016. Its totient is φ = 737076904704.

The previous prime is 2580163400761. The next prime is 2580163400783. The reversal of 2580163400766 is 6670043610852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2580163400761) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1266460 + ... + 2600816.

It is an arithmetic number, because the mean of its divisors is an integer number (125078048667).

Almost surely, 2^{2580163400766} is an apocalyptic number.

2580163400766 is an abundant number, since it is smaller than the sum of its proper divisors (3423582935250).

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

2580163400766 is a wasteful number, since it uses less digits than its factorization.

2580163400766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340953 (or 1340946 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 2580163400766 in words is "two trillion, five hundred eighty billion, one hundred sixty-three million, four hundred thousand, seven hundred sixty-six".