2620660662 has 32 divisors (see below), whose sum is σ = 5853276000. Its totient is φ = 869115744.

The previous prime is 2620660649. The next prime is 2620660681. The reversal of 2620660662 is 2660660262.

It is a happy number.

2620660662 is a `hidden beast` number, since 26 + 20 + 6 + 606 + 6 + 2 = 666.

2620660662 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112537 + ... + 133812.

It is an arithmetic number, because the mean of its divisors is an integer number (182914875).

Almost surely, 2^2620660662 is an apocalyptic number.

2620660662 is an abundant number, since it is smaller than the sum of its proper divisors (3232615338).

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

2620660662 is a wasteful number, since it uses less digits than its factorization.

2620660662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246557 (or 246551 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 2620660662 is about 51192.3887116044. The cubic root of 2620660662 is about 1378.7015480365.

It can be divided in two parts, 26206 and 60662, that added together give a palindrome (86868).

The spelling of 2620660662 in words is "two billion, six hundred twenty million, six hundred sixty thousand, six hundred sixty-two".