6061721117 has 4 divisors (see below), whose sum is σ = 6067802076. Its totient is φ = 6055640160.

The previous prime is 6061721089. The next prime is 6061721119. The reversal of 6061721117 is 7111271606.

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 5082406681 + 979314436 = 71291^2 + 31294^2 .

It is a cyclic number.

It is not a de Polignac number, because 6061721117 - 2¹⁶ = 6061655581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6061721119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3038984 + ... + 3040977.

It is an arithmetic number, because the mean of its divisors is an integer number (1516950519).

Almost surely, 2^6061721117 is an apocalyptic number.

It is an amenable number.

6061721117 is a deficient number, since it is larger than the sum of its proper divisors (6080959).

6061721117 is an equidigital number, since it uses as much as digits as its factorization.

6061721117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6080958.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 6061721117 is about 77857.0556661373. The cubic root of 6061721117 is about 1823.3301663071.

The spelling of 6061721117 in words is "six billion, sixty-one million, seven hundred twenty-one thousand, one hundred seventeen".