6316461561 has 8 divisors (see below), whose sum is σ = 8422412544. Its totient is φ = 4210742480.

The previous prime is 6316461533. The next prime is 6316461659. The reversal of 6316461561 is 1651646136.

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 6316461561 - 2⁶ = 6316461497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6316461161) 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, 20920 + ... + 114326.

It is an arithmetic number, because the mean of its divisors is an integer number (1052801568).

Almost surely, 2^6316461561 is an apocalyptic number.

It is an amenable number.

6316461561 is a deficient number, since it is larger than the sum of its proper divisors (2105950983).

6316461561 is a wasteful number, since it uses less digits than its factorization.

6316461561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115951.

The product of its digits is 77760, while the sum is 39.

The square root of 6316461561 is about 79476.1697680506. The cubic root of 6316461561 is about 1848.5219810111.

The spelling of 6316461561 in words is "six billion, three hundred sixteen million, four hundred sixty-one thousand, five hundred sixty-one".