6792891561 has 27 divisors (see below), whose sum is σ = 9961690557. Its totient is φ = 4460516280.

The previous prime is 6792891541. The next prime is 6792891583. The reversal of 6792891561 is 1651982976.

The square root of 6792891561 is 82419.

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

6792891561 is a `hidden beast` number, since 6 + 79 + 2 + 8 + 9 + 1 + 561 = 666.

6792891561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6792891561 - 2¹⁷ = 6792760489 is a prime.

It is a super-2 number, since 2×6792891561² = 92286751519010033442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6792891498 and 6792891507.

It is not an unprimeable number, because it can be changed into a prime (6792891541) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 20522166 + ... + 20522496.

Almost surely, 2^6792891561 is an apocalyptic number.

6792891561 is the 82419-th square number.

6792891561 is the 41210-th centered octagonal number.

It is an amenable number.

6792891561 is a deficient number, since it is larger than the sum of its proper divisors (3168798996).

6792891561 is an frugal number, since it uses more digits than its factorization.

6792891561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834 (or 417 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The cubic root of 6792891561 is about 1893.8760874908.

The spelling of 6792891561 in words is "six billion, seven hundred ninety-two million, eight hundred ninety-one thousand, five hundred sixty-one".