6620610601 has 16 divisors (see below), whose sum is σ = 7356718080. Its totient is φ = 5907204880.

The previous prime is 6620610583. The next prime is 6620610617. The reversal of 6620610601 is 1060160266.

It is a cyclic number.

It is not a de Polignac number, because 6620610601 - 2⁷ = 6620610473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6620610601.

It is not an unprimeable number, because it can be changed into a prime (6620610691) 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 in 15 ways as a sum of consecutive naturals, for example, 412020 + ... + 427786.

It is an arithmetic number, because the mean of its divisors is an integer number (459794880).

Almost surely, 2^6620610601 is an apocalyptic number.

It is an amenable number.

6620610601 is a deficient number, since it is larger than the sum of its proper divisors (736107479).

6620610601 is a wasteful number, since it uses less digits than its factorization.

6620610601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16484.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 6620610601 is about 81367.1346490707. The cubic root of 6620610601 is about 1877.7279971202.

Adding to 6620610601 its reverse (1060160266), we get a palindrome (7680770867).

The spelling of 6620610601 in words is "six billion, six hundred twenty million, six hundred ten thousand, six hundred one".