6161811071 has 8 divisors (see below), whose sum is σ = 6643890624. Its totient is φ = 5680887840.

The previous prime is 6161811049. The next prime is 6161811091. The reversal of 6161811071 is 1701181616.

It is a happy number.

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 6161811071 - 2¹⁸ = 6161548927 is a prime.

It is a super-3 number, since 3×6161811071³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6161811091) 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, 277991 + ... + 299336.

It is an arithmetic number, because the mean of its divisors is an integer number (830486328).

Almost surely, 2^6161811071 is an apocalyptic number.

6161811071 is a deficient number, since it is larger than the sum of its proper divisors (482079553).

6161811071 is a wasteful number, since it uses less digits than its factorization.

6161811071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578161.

The product of its (nonzero) digits is 2016, while the sum is 32.

The square root of 6161811071 is about 78497.2042240996. The cubic root of 6161811071 is about 1833.3109232045.

Adding to 6161811071 its reverse (1701181616), we get a palindrome (7862992687).

The spelling of 6161811071 in words is "six billion, one hundred sixty-one million, eight hundred eleven thousand, seventy-one".