6161785345 has 8 divisors (see below), whose sum is σ = 7397417664. Its totient is φ = 4927244784.

The previous prime is 6161785321. The next prime is 6161785379. The reversal of 6161785345 is 5435871616.

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 6161785345 - 2⁵ = 6161785313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6161785295 and 6161785304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260469 + ... + 283138.

It is an arithmetic number, because the mean of its divisors is an integer number (924677208).

Almost surely, 2^6161785345 is an apocalyptic number.

It is an amenable number.

6161785345 is a deficient number, since it is larger than the sum of its proper divisors (1235632319).

6161785345 is a wasteful number, since it uses less digits than its factorization.

6161785345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545879.

The product of its digits is 604800, while the sum is 46.

The square root of 6161785345 is about 78497.0403582199. The cubic root of 6161785345 is about 1833.3083717997.

The spelling of 6161785345 in words is "six billion, one hundred sixty-one million, seven hundred eighty-five thousand, three hundred forty-five".