2126606603 has 16 divisors (see below), whose sum is σ = 2445742080. Its totient is φ = 1831094400.

The previous prime is 2126606593. The next prime is 2126606639. The reversal of 2126606603 is 3066066212.

It is a cyclic number.

It is not a de Polignac number, because 2126606603 - 2⁶ = 2126606539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2126606603.

It is not an unprimeable number, because it can be changed into a prime (2126606663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50318 + ... + 82371.

It is an arithmetic number, because the mean of its divisors is an integer number (152858880).

Almost surely, 2^2126606603 is an apocalyptic number.

2126606603 is a deficient number, since it is larger than the sum of its proper divisors (319135477).

2126606603 is a wasteful number, since it uses less digits than its factorization.

2126606603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132778.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 2126606603 is about 46115.1450501893. The cubic root of 2126606603 is about 1285.9647159619.

The spelling of 2126606603 in words is "two billion, one hundred twenty-six million, six hundred six thousand, six hundred three".