4161189870 has 48 divisors (see below), whose sum is σ = 10822986720. Its totient is φ = 1109251392.

The previous prime is 4161189859. The next prime is 4161189871. The reversal of 4161189870 is 789811614.

It is a happy number.

It is a super-2 number, since 2×4161189870² = 34631002268381233800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161189871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310876 + ... + 323984.

It is an arithmetic number, because the mean of its divisors is an integer number (225478890).

Almost surely, 2^4161189870 is an apocalyptic number.

4161189870 is an abundant number, since it is smaller than the sum of its proper divisors (6661796850).

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

4161189870 is a wasteful number, since it uses less digits than its factorization.

4161189870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16649 (or 16646 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The square root of 4161189870 is about 64507.2854025032. The cubic root of 4161189870 is about 1608.4436266696.

The spelling of 4161189870 in words is "four billion, one hundred sixty-one million, one hundred eighty-nine thousand, eight hundred seventy".