4206620660 has 36 divisors (see below), whose sum is σ = 9709998564. Its totient is φ = 1529679360.

The previous prime is 4206620657. The next prime is 4206620669. The reversal of 4206620660 is 660266024.

It can be written as a sum of positive squares in 2 ways, for example, as 588838756 + 3617781904 = 24266^2 + 60148^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4206620669) 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, 866717 + ... + 871556.

Almost surely, 2^4206620660 is an apocalyptic number.

It is an amenable number.

4206620660 is an abundant number, since it is smaller than the sum of its proper divisors (5503377904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4206620660 is a wasteful number, since it uses less digits than its factorization.

4206620660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738304 (or 1738291 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 4206620660 is about 64858.4663710144. The cubic root of 4206620660 is about 1614.2759757532.

Adding to 4206620660 its reverse (660266024), we get a palindrome (4866886684).

It can be divided in two parts, 42066 and 20660, that added together give a palindrome (62726).

The spelling of 4206620660 in words is "four billion, two hundred six million, six hundred twenty thousand, six hundred sixty".