6161785344 has 400 divisors, whose sum is σ = 21627365760. Its totient is φ = 1721917440.

The previous prime is 6161785321. The next prime is 6161785379. The reversal of 6161785344 is 4435871616.

It is a self number, because there is not a number n which added to its sum of digits gives 6161785344.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5929977 + ... + 5931015.

Almost surely, 2^6161785344 is an apocalyptic number.

6161785344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6161785344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10813682880).

6161785344 is an abundant number, since it is smaller than the sum of its proper divisors (15465580416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6161785344 is a wasteful number, since it uses less digits than its factorization.

6161785344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093 (or 1068 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 6161785344 is about 78497.0403518502. The cubic root of 6161785344 is about 1833.3083717005.

The spelling of 6161785344 in words is "six billion, one hundred sixty-one million, seven hundred eighty-five thousand, three hundred forty-four".