2166890103 has 48 divisors (see below), whose sum is σ = 3749441760. Its totient is φ = 1233211392.

The previous prime is 2166890101. The next prime is 2166890113. The reversal of 2166890103 is 3010986612.

It is not a de Polignac number, because 2166890103 - 2¹ = 2166890101 is a prime.

It is a super-3 number, since 3×2166890103³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166890101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 336825 + ... + 343197.

It is an arithmetic number, because the mean of its divisors is an integer number (78113370).

Almost surely, 2^2166890103 is an apocalyptic number.

2166890103 is a deficient number, since it is larger than the sum of its proper divisors (1582551657).

2166890103 is a wasteful number, since it uses less digits than its factorization.

2166890103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6653 (or 6640 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 2166890103 is about 46549.8668419148. The cubic root of 2166890103 is about 1294.0338252320.

The spelling of 2166890103 in words is "two billion, one hundred sixty-six million, eight hundred ninety thousand, one hundred three".