6018778746 has 12 divisors (see below), whose sum is σ = 13040687322. Its totient is φ = 2006259576.

The previous prime is 6018778709. The next prime is 6018778747. The reversal of 6018778746 is 6478778106.

It can be written as a sum of positive squares in only one way, i.e., 5524205625 + 494573121 = 74325^2 + 22239^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6018778692 and 6018778701.

It is not an unprimeable number, because it can be changed into a prime (6018778747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167188281 + ... + 167188316.

Almost surely, 2^6018778746 is an apocalyptic number.

6018778746 is an abundant number, since it is smaller than the sum of its proper divisors (7021908576).

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

6018778746 is a wasteful number, since it uses less digits than its factorization.

6018778746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334376605 (or 334376602 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 54.

The square root of 6018778746 is about 77580.7885110741. The cubic root of 6018778746 is about 1819.0143544039.

The spelling of 6018778746 in words is "six billion, eighteen million, seven hundred seventy-eight thousand, seven hundred forty-six".