4166121810 has 32 divisors (see below), whose sum is σ = 10014337152. Its totient is φ = 1109227520.

The previous prime is 4166121797. The next prime is 4166121821. The reversal of 4166121810 is 181216614.

It is a super-2 number, since 2×4166121810² = 34713141871515352200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89094 + ... + 127553.

It is an arithmetic number, because the mean of its divisors is an integer number (312948036).

Almost surely, 2^4166121810 is an apocalyptic number.

4166121810 is an abundant number, since it is smaller than the sum of its proper divisors (5848215342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4166121810 is a wasteful number, since it uses less digits than its factorization.

4166121810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217298.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 4166121810 is about 64545.5018572170. The cubic root of 4166121810 is about 1609.0788308415.

The spelling of 4166121810 in words is "four billion, one hundred sixty-six million, one hundred twenty-one thousand, eight hundred ten".