6220636851 has 64 divisors (see below), whose sum is σ = 10176606720. Its totient is φ = 3327959040.

The previous prime is 6220636783. The next prime is 6220636861. The reversal of 6220636851 is 1586360226.

It is not a de Polignac number, because 6220636851 - 2⁹ = 6220636339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (6220636861) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1328851 + ... + 1333523.

It is an arithmetic number, because the mean of its divisors is an integer number (159009480).

Almost surely, 2^6220636851 is an apocalyptic number.

6220636851 is a deficient number, since it is larger than the sum of its proper divisors (3955969869).

6220636851 is a wasteful number, since it uses less digits than its factorization.

6220636851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 6220636851 is about 78871.0140102180. The cubic root of 6220636851 is about 1839.1265595924.

The spelling of 6220636851 in words is "six billion, two hundred twenty million, six hundred thirty-six thousand, eight hundred fifty-one".