2606040164 has 72 divisors (see below), whose sum is σ = 5659109568. Its totient is φ = 1028177280.

The previous prime is 2606040163. The next prime is 2606040181. The reversal of 2606040164 is 4610406062.

It is a super-2 number, since 2×2606040164² = 13582890672762293792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2606040163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3269414 + ... + 3270210.

It is an arithmetic number, because the mean of its divisors is an integer number (78598744).

Almost surely, 2^2606040164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2606040164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2829554784).

2606040164 is an abundant number, since it is smaller than the sum of its proper divisors (3053069404).

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

2606040164 is a wasteful number, since it uses less digits than its factorization.

2606040164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525 (or 1510 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2606040164 is about 51049.3894576615. The cubic root of 2606040164 is about 1376.1328693862.

The spelling of 2606040164 in words is "two billion, six hundred six million, forty thousand, one hundred sixty-four".