2688166429 has 32 divisors (see below), whose sum is σ = 3156039936. Its totient is φ = 2267274240.

The previous prime is 2688166427. The next prime is 2688166433. The reversal of 2688166429 is 9246618862.

It is not a de Polignac number, because 2688166429 - 2¹ = 2688166427 is a prime.

It is a super-2 number, since 2×2688166429² = 14452477500005224082, which contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2688166427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1050019 + ... + 1052575.

It is an arithmetic number, because the mean of its divisors is an integer number (98626248).

Almost surely, 2^2688166429 is an apocalyptic number.

It is an amenable number.

2688166429 is a deficient number, since it is larger than the sum of its proper divisors (467873507).

2688166429 is a wasteful number, since it uses less digits than its factorization.

2688166429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725.

The product of its digits is 1990656, while the sum is 52.

The square root of 2688166429 is about 51847.5305969339. The cubic root of 2688166429 is about 1390.4393533762.

The spelling of 2688166429 in words is "two billion, six hundred eighty-eight million, one hundred sixty-six thousand, four hundred twenty-nine".