2671603815678 has 32 divisors (see below), whose sum is σ = 6106594454784. Its totient is φ = 763306444992.

The previous prime is 2671603815637. The next prime is 2671603815707. The reversal of 2671603815678 is 8765183061762.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3814426 + ... + 4460162.

It is an arithmetic number, because the mean of its divisors is an integer number (190831076712).

Almost surely, 2^{2671603815678} is an apocalyptic number.

2671603815678 is an abundant number, since it is smaller than the sum of its proper divisors (3434990639106).

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

2671603815678 is a wasteful number, since it uses less digits than its factorization.

2671603815678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744256.

The product of its (nonzero) digits is 20321280, while the sum is 60.

The spelling of 2671603815678 in words is "two trillion, six hundred seventy-one billion, six hundred three million, eight hundred fifteen thousand, six hundred seventy-eight".