2660060026620 has 72 divisors (see below), whose sum is σ = 8201124990240. Its totient is φ = 697720659840.

The previous prime is 2660060026607. The next prime is 2660060026699. The reversal of 2660060026620 is 266200600662.

It is a happy number.

2660060026620 is a `hidden beast` number, since 2 + 6 + 6 + 0 + 0 + 6 + 0 + 0 + 26 + 620 = 666.

It is a super-3 number, since 3×2660060026620³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121121080 + ... + 121143039.

Almost surely, 2^{2660060026620} is an apocalyptic number.

2660060026620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2660060026620 is an abundant number, since it is smaller than the sum of its proper divisors (5541064963620).

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

2660060026620 is a wasteful number, since it uses less digits than its factorization.

2660060026620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242264195 (or 242264190 counting only the distinct ones).

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

The spelling of 2660060026620 in words is "two trillion, six hundred sixty billion, sixty million, twenty-six thousand, six hundred twenty".