6790655618 has 4 divisors (see below), whose sum is σ = 10185983430. Its totient is φ = 3395327808.

The previous prime is 6790655611. The next prime is 6790655633. The reversal of 6790655618 is 8165560976.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5221941169 + 1568714449 = 72263^2 + 39607^2 .

It is a super-2 number, since 2×6790655618² = 92226007444549923848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6790655618.

It is not an unprimeable number, because it can be changed into a prime (6790655611) by changing a digit.

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 as a sum of consecutive naturals, namely, 1697663903 + ... + 1697663906.

Almost surely, 2^6790655618 is an apocalyptic number.

6790655618 is a deficient number, since it is larger than the sum of its proper divisors (3395327812).

6790655618 is a wasteful number, since it uses less digits than its factorization.

6790655618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395327811.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The square root of 6790655618 is about 82405.4343960397. The cubic root of 6790655618 is about 1893.6682690850.

The spelling of 6790655618 in words is "six billion, seven hundred ninety million, six hundred fifty-five thousand, six hundred eighteen".