2165106929 has 8 divisors (see below), whose sum is σ = 2236700928. Its totient is φ = 2093622480.

The previous prime is 2165106919. The next prime is 2165106949. The reversal of 2165106929 is 9296015612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2165106929 - 2⁴ = 2165106913 is a prime.

It is a super-2 number, since 2×2165106929² = 9375376028007622082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2165106919) 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 7 ways as a sum of consecutive naturals, for example, 13799 + ... + 67235.

It is an arithmetic number, because the mean of its divisors is an integer number (279587616).

Almost surely, 2^2165106929 is an apocalyptic number.

It is an amenable number.

2165106929 is a deficient number, since it is larger than the sum of its proper divisors (71593999).

2165106929 is a wasteful number, since it uses less digits than its factorization.

2165106929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54775.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 2165106929 is about 46530.7095260754. The cubic root of 2165106929 is about 1293.6787663519.

The spelling of 2165106929 in words is "two billion, one hundred sixty-five million, one hundred six thousand, nine hundred twenty-nine".