2161166110 has 8 divisors (see below), whose sum is σ = 3890099016. Its totient is φ = 864466440.

The previous prime is 2161166093. The next prime is 2161166131. The reversal of 2161166110 is 116611612.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 108058296 + ... + 108058315.

It is an arithmetic number, because the mean of its divisors is an integer number (486262377).

Almost surely, 2^2161166110 is an apocalyptic number.

2161166110 is a deficient number, since it is larger than the sum of its proper divisors (1728932906).

2161166110 is a wasteful number, since it uses less digits than its factorization.

2161166110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216116618.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 2161166110 is about 46488.3438078837. The cubic root of 2161166110 is about 1292.8933932663.

Adding to 2161166110 its reverse (116611612), we get a palindrome (2277777722).

The spelling of 2161166110 in words is "two billion, one hundred sixty-one million, one hundred sixty-six thousand, one hundred ten".