6071662561 has 4 divisors (see below), whose sum is σ = 6072610500. Its totient is φ = 6070714624.

The previous prime is 6071662559. The next prime is 6071662577. The reversal of 6071662561 is 1652661706.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5898240000 + 173422561 = 76800^2 + 13169^2 .

It is a cyclic number.

It is not a de Polignac number, because 6071662561 - 2¹ = 6071662559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6071662501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464296 + ... + 477193.

It is an arithmetic number, because the mean of its divisors is an integer number (1518152625).

Almost surely, 2^6071662561 is an apocalyptic number.

It is an amenable number.

6071662561 is a deficient number, since it is larger than the sum of its proper divisors (947939).

6071662561 is an equidigital number, since it uses as much as digits as its factorization.

6071662561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947938.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 6071662561 is about 77920.8737181508. The cubic root of 6071662561 is about 1824.3263979063.

The spelling of 6071662561 in words is "six billion, seventy-one million, six hundred sixty-two thousand, five hundred sixty-one".