11671945170 has 64 divisors (see below), whose sum is σ = 29719405440. Its totient is φ = 2923609088.

The previous prime is 11671945163. The next prime is 11671945183. The reversal of 11671945170 is 7154917611.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237109 + ... + 282071.

It is an arithmetic number, because the mean of its divisors is an integer number (464365710).

Almost surely, 2^11671945170 is an apocalyptic number.

11671945170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11671945170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14859702720).

11671945170 is an abundant number, since it is smaller than the sum of its proper divisors (18047460270).

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

11671945170 is a wasteful number, since it uses less digits than its factorization.

11671945170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45499.

The product of its (nonzero) digits is 52920, while the sum is 42.

The spelling of 11671945170 in words is "eleven billion, six hundred seventy-one million, nine hundred forty-five thousand, one hundred seventy".