2660588982378 has 48 divisors (see below), whose sum is σ = 5791971786120. Its totient is φ = 882660169728.

The previous prime is 2660588982341. The next prime is 2660588982419. The reversal of 2660588982378 is 8732898850662.

2660588982378 is a `hidden beast` number, since 2 + 6 + 6 + 0 + 588 + 9 + 8 + 2 + 37 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2515722726609 + 144866255769 = 1586103^2 + 380613^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4449426 + ... + 5011842.

Almost surely, 2^{2660588982378} is an apocalyptic number.

2660588982378 is an abundant number, since it is smaller than the sum of its proper divisors (3131382803742).

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

2660588982378 is a wasteful number, since it uses less digits than its factorization.

2660588982378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563671 (or 563668 counting only the distinct ones).

The product of its (nonzero) digits is 557383680, while the sum is 72.

The spelling of 2660588982378 in words is "two trillion, six hundred sixty billion, five hundred eighty-eight million, nine hundred eighty-two thousand, three hundred seventy-eight".