2602006605 has 32 divisors (see below), whose sum is σ = 5046318720. Its totient is φ = 1261578240.

The previous prime is 2602006579. The next prime is 2602006619. The reversal of 2602006605 is 5066002062.

It is not a de Polignac number, because 2602006605 - 2¹⁷ = 2601875533 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 874612 + ... + 877581.

It is an arithmetic number, because the mean of its divisors is an integer number (157697460).

Almost surely, 2^2602006605 is an apocalyptic number.

It is an amenable number.

2602006605 is a deficient number, since it is larger than the sum of its proper divisors (2444312115).

2602006605 is a wasteful number, since it uses less digits than its factorization.

2602006605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752218 (or 1752212 counting only the distinct ones).

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

The square root of 2602006605 is about 51009.8677218438. The cubic root of 2602006605 is about 1375.4225222715.

Adding to 2602006605 its reverse (5066002062), we get a palindrome (7668008667).

The spelling of 2602006605 in words is "two billion, six hundred two million, six thousand, six hundred five".