11663701170 has 64 divisors (see below), whose sum is σ = 30634298496. Its totient is φ = 2818618880.

The previous prime is 11663701169. The next prime is 11663701177. The reversal of 11663701170 is 7110736611.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11663701177) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48862 + ... + 160358.

It is an arithmetic number, because the mean of its divisors is an integer number (478660914).

Almost surely, 2^11663701170 is an apocalyptic number.

11663701170 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 11663701170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15317149248).

11663701170 is an abundant number, since it is smaller than the sum of its proper divisors (18970597326).

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

11663701170 is a wasteful number, since it uses less digits than its factorization.

11663701170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111835.

The product of its (nonzero) digits is 5292, while the sum is 33.

The spelling of 11663701170 in words is "eleven billion, six hundred sixty-three million, seven hundred one thousand, one hundred seventy".