16617161704 has 128 divisors (see below), whose sum is σ = 38675750400. Its totient is φ = 6587965440.

The previous prime is 16617161629. The next prime is 16617161747. The reversal of 16617161704 is 40716171661.

It is a happy number.

It is a super-2 number, since 2×16617161704² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1553944 + ... + 1564600.

It is an arithmetic number, because the mean of its divisors is an integer number (302154300).

Almost surely, 2^16617161704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16617161704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19337875200).

16617161704 is an abundant number, since it is smaller than the sum of its proper divisors (22058588696).

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

16617161704 is a wasteful number, since it uses less digits than its factorization.

16617161704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10763 (or 10759 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 40.

The spelling of 16617161704 in words is "sixteen billion, six hundred seventeen million, one hundred sixty-one thousand, seven hundred four".