2536061566 has 4 divisors (see below), whose sum is σ = 3804092352. Its totient is φ = 1268030782.

The previous prime is 2536061551. The next prime is 2536061587. The reversal of 2536061566 is 6651606352.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634015390 + ... + 634015393.

It is an arithmetic number, because the mean of its divisors is an integer number (951023088).

Almost surely, 2^2536061566 is an apocalyptic number.

2536061566 is a deficient number, since it is larger than the sum of its proper divisors (1268030786).

2536061566 is a wasteful number, since it uses less digits than its factorization.

2536061566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268030785.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 2536061566 is about 50359.3245189012. The cubic root of 2536061566 is about 1363.7034235501.

The spelling of 2536061566 in words is "two billion, five hundred thirty-six million, sixty-one thousand, five hundred sixty-six".