6161341661 has 8 divisors (see below), whose sum is σ = 6307408800. Its totient is φ = 6016728240.

The previous prime is 6161341649. The next prime is 6161341663. The reversal of 6161341661 is 1661431616.

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 6161341661 - 2¹⁰ = 6161340637 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 (6161341663) 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, 354851 + ... + 371808.

It is an arithmetic number, because the mean of its divisors is an integer number (788426100).

Almost surely, 2^6161341661 is an apocalyptic number.

6161341661 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6161341661 is a deficient number, since it is larger than the sum of its proper divisors (146067139).

6161341661 is a wasteful number, since it uses less digits than its factorization.

6161341661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726859.

The product of its digits is 15552, while the sum is 35.

The square root of 6161341661 is about 78494.2141880534. The cubic root of 6161341661 is about 1833.2643678263.

The spelling of 6161341661 in words is "six billion, one hundred sixty-one million, three hundred forty-one thousand, six hundred sixty-one".