6620357701 has 12 divisors (see below), whose sum is σ = 7149644832. Its totient is φ = 6126044904.

The previous prime is 6620357693. The next prime is 6620357707. The reversal of 6620357701 is 1077530266.

It is not a de Polignac number, because 6620357701 - 2³ = 6620357693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6620357707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197721 + ... + 228766.

It is an arithmetic number, because the mean of its divisors is an integer number (595803736).

Almost surely, 2^6620357701 is an apocalyptic number.

It is an amenable number.

6620357701 is a deficient number, since it is larger than the sum of its proper divisors (529287131).

6620357701 is a wasteful number, since it uses less digits than its factorization.

6620357701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426568 (or 426549 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 6620357701 is about 81365.5805669695. The cubic root of 6620357701 is about 1877.7040877717.

Adding to 6620357701 its reverse (1077530266), we get a palindrome (7697887967).

It can be divided in two parts, 66203 and 57701, that added together give a square (123904 = 352²).

The spelling of 6620357701 in words is "six billion, six hundred twenty million, three hundred fifty-seven thousand, seven hundred one".