2866680521642 has 8 divisors (see below), whose sum is σ = 4914309465696. Its totient is φ = 1228577366412.

The previous prime is 2866680521623. The next prime is 2866680521687. The reversal of 2866680521642 is 2461250866682.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102381447188 + ... + 102381447215.

It is an arithmetic number, because the mean of its divisors is an integer number (614288683212).

Almost surely, 2^{2866680521642} is an apocalyptic number.

2866680521642 is a deficient number, since it is larger than the sum of its proper divisors (2047628944054).

2866680521642 is a wasteful number, since it uses less digits than its factorization.

2866680521642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204762894412.

The product of its (nonzero) digits is 13271040, while the sum is 56.

The spelling of 2866680521642 in words is "two trillion, eight hundred sixty-six billion, six hundred eighty million, five hundred twenty-one thousand, six hundred forty-two".