6161736816 has 60 divisors (see below), whose sum is σ = 17265197040. Its totient is φ = 2051424000.

The previous prime is 6161736811. The next prime is 6161736817. The reversal of 6161736816 is 6186371616.

6161736816 is a `hidden beast` number, since 616 + 17 + 3 + 6 + 8 + 16 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6161736811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95316 + ... + 146316.

It is an arithmetic number, because the mean of its divisors is an integer number (287753284).

Almost surely, 2^6161736816 is an apocalyptic number.

It is an amenable number.

6161736816 is an abundant number, since it is smaller than the sum of its proper divisors (11103460224).

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

6161736816 is a wasteful number, since it uses less digits than its factorization.

6161736816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51854 (or 51845 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 6161736816 is about 78496.7312440461. The cubic root of 6161736816 is about 1833.3035588626.

The spelling of 6161736816 in words is "six billion, one hundred sixty-one million, seven hundred thirty-six thousand, eight hundred sixteen".