2606990511 has 16 divisors (see below), whose sum is σ = 3779931744. Its totient is φ = 1591547904.

The previous prime is 2606990473. The next prime is 2606990531. The reversal of 2606990511 is 1150996062.

It is not a de Polignac number, because 2606990511 - 2¹⁴ = 2606974127 is a prime.

It is a super-2 number, since 2×2606990511² = 13592799048888082242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2606990511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606990531) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 688890 + ... + 692663.

It is an arithmetic number, because the mean of its divisors is an integer number (236245734).

Almost surely, 2^2606990511 is an apocalyptic number.

2606990511 is a deficient number, since it is larger than the sum of its proper divisors (1172941233).

2606990511 is a wasteful number, since it uses less digits than its factorization.

2606990511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381610.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 2606990511 is about 51058.6967224977. The cubic root of 2606990511 is about 1376.3001275916.

The spelling of 2606990511 in words is "two billion, six hundred six million, nine hundred ninety thousand, five hundred eleven".