2506866197536 has 48 divisors (see below), whose sum is σ = 5106576666240. Its totient is φ = 1209974734080.

The previous prime is 2506866197453. The next prime is 2506866197543. The reversal of 2506866197536 is 6357916686052.

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, 4533571 + ... + 5056381.

It is an arithmetic number, because the mean of its divisors is an integer number (106387013880).

Almost surely, 2^{2506866197536} is an apocalyptic number.

It is an amenable number.

2506866197536 is an abundant number, since it is smaller than the sum of its proper divisors (2599710468704).

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

2506866197536 is a wasteful number, since it uses less digits than its factorization.

2506866197536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528017 (or 528009 counting only the distinct ones).

The product of its (nonzero) digits is 97977600, while the sum is 64.

The spelling of 2506866197536 in words is "two trillion, five hundred six billion, eight hundred sixty-six million, one hundred ninety-seven thousand, five hundred thirty-six".