6356616645 has 16 divisors (see below), whose sum is σ = 10243759680. Its totient is φ = 3365804544.

The previous prime is 6356616631. The next prime is 6356616647. The reversal of 6356616645 is 5466166536.

It is not a de Polignac number, because 6356616645 - 2⁸ = 6356616389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6356616594 and 6356616603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6356616647) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1522284 + ... + 1526453.

It is an arithmetic number, because the mean of its divisors is an integer number (640234980).

Almost surely, 2^6356616645 is an apocalyptic number.

It is an amenable number.

6356616645 is a deficient number, since it is larger than the sum of its proper divisors (3887143035).

6356616645 is a wasteful number, since it uses less digits than its factorization.

6356616645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048884.

The product of its digits is 2332800, while the sum is 48.

The square root of 6356616645 is about 79728.3929663705. The cubic root of 6356616645 is about 1852.4308580757.

The spelling of 6356616645 in words is "six billion, three hundred fifty-six million, six hundred sixteen thousand, six hundred forty-five".