8356534561 has 8 divisors (see below), whose sum is σ = 8772307200. Its totient is φ = 7949899920.

The previous prime is 8356534541. The next prime is 8356534573. The reversal of 8356534561 is 1654356538.

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

It is a cyclic number.

It is not a de Polignac number, because 8356534561 - 2²¹ = 8354437409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8356534541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2282626 + ... + 2286283.

It is an arithmetic number, because the mean of its divisors is an integer number (1096538400).

Almost surely, 2^8356534561 is an apocalyptic number.

It is an amenable number.

8356534561 is a deficient number, since it is larger than the sum of its proper divisors (415772639).

8356534561 is a wasteful number, since it uses less digits than its factorization.

8356534561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568999.

The product of its digits is 1296000, while the sum is 46.

The square root of 8356534561 is about 91414.0829467758. The cubic root of 8356534561 is about 2029.2804491134.

The spelling of 8356534561 in words is "eight billion, three hundred fifty-six million, five hundred thirty-four thousand, five hundred sixty-one".