2566740645202 has 8 divisors (see below), whose sum is σ = 3850118374896. Its totient is φ = 1283367853572.

The previous prime is 2566740645197. The next prime is 2566740645239. The reversal of 2566740645202 is 2025460476652.

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, 625353 + ... + 2350435.

It is an arithmetic number, because the mean of its divisors is an integer number (481264796862).

Almost surely, 2^{2566740645202} is an apocalyptic number.

2566740645202 is a deficient number, since it is larger than the sum of its proper divisors (1283377729694).

2566740645202 is a wasteful number, since it uses less digits than its factorization.

2566740645202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469032.

The product of its (nonzero) digits is 4838400, while the sum is 49.

The spelling of 2566740645202 in words is "two trillion, five hundred sixty-six billion, seven hundred forty million, six hundred forty-five thousand, two hundred two".