2671786666880 has 64 divisors (see below), whose sum is σ = 6607489701600. Its totient is φ = 1031862429696.

The previous prime is 2671786666867. The next prime is 2671786666949. The reversal of 2671786666880 is 886666871762.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71958452 + ... + 71995571.

Almost surely, 2^{2671786666880} is an apocalyptic number.

2671786666880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2671786666880 is an abundant number, since it is smaller than the sum of its proper divisors (3935703034720).

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

2671786666880 is a wasteful number, since it uses less digits than its factorization.

2671786666880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143954071 (or 143954059 counting only the distinct ones).

The product of its (nonzero) digits is 390168576, while the sum is 71.

The spelling of 2671786666880 in words is "two trillion, six hundred seventy-one billion, seven hundred eighty-six million, six hundred sixty-six thousand, eight hundred eighty".