2130166849 has 16 divisors (see below), whose sum is σ = 2246012496. Its totient is φ = 2017612800.

The previous prime is 2130166811. The next prime is 2130166877. The reversal of 2130166849 is 9486610312.

It can be written as a sum of positive squares in 8 ways, for example, as 832726449 + 1297440400 = 28857^2 + 36020^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130166849 - 2¹¹ = 2130164801 is a prime.

It is a super-2 number, since 2×2130166849² = 9075221609157177602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130166879) 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, 843709 + ... + 846229.

It is an arithmetic number, because the mean of its divisors is an integer number (140375781).

Almost surely, 2^2130166849 is an apocalyptic number.

It is an amenable number.

2130166849 is a deficient number, since it is larger than the sum of its proper divisors (115845647).

2130166849 is a wasteful number, since it uses less digits than its factorization.

2130166849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 2130166849 is about 46153.7306076118. The cubic root of 2130166849 is about 1286.6819459633.

The spelling of 2130166849 in words is "two billion, one hundred thirty million, one hundred sixty-six thousand, eight hundred forty-nine".