20161116170 has 64 divisors (see below), whose sum is σ = 41490247680. Its totient is φ = 6987629568.

The previous prime is 20161116167. The next prime is 20161116179. The reversal of 20161116170 is 7161116102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (20161116179) 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, 834521 + ... + 858339.

It is an arithmetic number, because the mean of its divisors is an integer number (648285120).

Almost surely, 2^20161116170 is an apocalyptic number.

20161116170 is an abundant number, since it is smaller than the sum of its proper divisors (21329131510).

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

20161116170 is a wasteful number, since it uses less digits than its factorization.

20161116170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24239.

The product of its (nonzero) digits is 504, while the sum is 26.

The spelling of 20161116170 in words is "twenty billion, one hundred sixty-one million, one hundred sixteen thousand, one hundred seventy".