2728466367618 has 16 divisors (see below), whose sum is σ = 5456969120736. Its totient is φ = 909482724960.

The previous prime is 2728466367563. The next prime is 2728466367647. The reversal of 2728466367618 is 8167636648272.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487548 + ... + 2386343.

It is an arithmetic number, because the mean of its divisors is an integer number (341060570046).

Almost surely, 2^{2728466367618} is an apocalyptic number.

2728466367618 is an abundant number, since it is smaller than the sum of its proper divisors (2728502753118).

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

2728466367618 is a wasteful number, since it uses less digits than its factorization.

2728466367618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032129.

The product of its digits is 195084288, while the sum is 66.

The spelling of 2728466367618 in words is "two trillion, seven hundred twenty-eight billion, four hundred sixty-six million, three hundred sixty-seven thousand, six hundred eighteen".