2606006520 has 160 divisors (see below), whose sum is σ = 9433005120. Its totient is φ = 641468160.

The previous prime is 2606006519. The next prime is 2606006521. The reversal of 2606006520 is 256006062.

2606006520 is a `hidden beast` number, since 2 + 6 + 0 + 6 + 0 + 0 + 652 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2606006519) and next prime (2606006521).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606006521) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11185 + ... + 73055.

It is an arithmetic number, because the mean of its divisors is an integer number (58956282).

Almost surely, 2^2606006520 is an apocalyptic number.

2606006520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2606006520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4716502560).

2606006520 is an abundant number, since it is smaller than the sum of its proper divisors (6826998600).

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

2606006520 is a wasteful number, since it uses less digits than its factorization.

2606006520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61907 (or 61894 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2606006520 is about 51049.0599325786. The cubic root of 2606006520 is about 1376.1269473985.

The spelling of 2606006520 in words is "two billion, six hundred six million, six thousand, five hundred twenty".