6146786818 has 16 divisors (see below), whose sum is σ = 9256200120. Its totient is φ = 3061411200.

The previous prime is 6146786797. The next prime is 6146786827. The reversal of 6146786818 is 8186876416.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4220191369 + 1926595449 = 64963^2 + 43893^2 .

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, 545158 + ... + 556318.

Almost surely, 2^6146786818 is an apocalyptic number.

6146786818 is a deficient number, since it is larger than the sum of its proper divisors (3109413302).

6146786818 is a wasteful number, since it uses less digits than its factorization.

6146786818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12213.

The product of its digits is 3096576, while the sum is 55.

The square root of 6146786818 is about 78401.4465300226. The cubic root of 6146786818 is about 1831.8196655202.

The spelling of 6146786818 in words is "six billion, one hundred forty-six million, seven hundred eighty-six thousand, eight hundred eighteen".