6834163561 has 15 divisors (see below), whose sum is σ = 7245475431. Its totient is φ = 6446197944.

The previous prime is 6834163543. The next prime is 6834163571. The reversal of 6834163561 is 1653614386.

The square root of 6834163561 is 82669.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6365007961 + 469155600 = 79781^2 + 21660^2 .

It is not a de Polignac number, because 6834163561 - 2¹⁷ = 6834032489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6834163541) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 29843395 + ... + 29843623.

Almost surely, 2^6834163561 is an apocalyptic number.

6834163561 is the 82669-th square number.

6834163561 is the 41335-th centered octagonal number.

It is an amenable number.

6834163561 is a deficient number, since it is larger than the sum of its proper divisors (411311870).

6834163561 is an frugal number, since it uses more digits than its factorization.

6834163561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 248 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The cubic root of 6834163561 is about 1897.7039264051.

The spelling of 6834163561 in words is "six billion, eight hundred thirty-four million, one hundred sixty-three thousand, five hundred sixty-one".