6161864329 has 4 divisors (see below), whose sum is σ = 6162026260. Its totient is φ = 6161702400.

The previous prime is 6161864311. The next prime is 6161864333. The reversal of 6161864329 is 9234681616.

6161864329 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 96569929 + 6065294400 = 9827^2 + 77880^2 .

It is a cyclic number.

It is not a de Polignac number, because 6161864329 - 2⁷ = 6161864201 is a prime.

It is a super-3 number, since 3×6161864329³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6161864729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10729 + ... + 111529.

It is an arithmetic number, because the mean of its divisors is an integer number (1540506565).

Almost surely, 2^6161864329 is an apocalyptic number.

It is an amenable number.

6161864329 is a deficient number, since it is larger than the sum of its proper divisors (161931).

6161864329 is a wasteful number, since it uses less digits than its factorization.

6161864329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161930.

The product of its digits is 373248, while the sum is 46.

The square root of 6161864329 is about 78497.5434583784. The cubic root of 6161864329 is about 1833.3162051035.

The spelling of 6161864329 in words is "six billion, one hundred sixty-one million, eight hundred sixty-four thousand, three hundred twenty-nine".