2090166903 has 32 divisors (see below), whose sum is σ = 3390643200. Its totient is φ = 1262044800.

The previous prime is 2090166899. The next prime is 2090166917. The reversal of 2090166903 is 3096610902.

It is not a de Polignac number, because 2090166903 - 2² = 2090166899 is a prime.

It is a super-2 number, since 2×2090166903² = 8737595364793222818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090166943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67503 + ... + 93471.

It is an arithmetic number, because the mean of its divisors is an integer number (105957600).

Almost surely, 2^2090166903 is an apocalyptic number.

2090166903 is a deficient number, since it is larger than the sum of its proper divisors (1300476297).

2090166903 is a wasteful number, since it uses less digits than its factorization.

2090166903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26260 (or 26254 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 2090166903 is about 45718.3431786411. The cubic root of 2090166903 is about 1278.5772976491.

The spelling of 2090166903 in words is "two billion, ninety million, one hundred sixty-six thousand, nine hundred three".