17121406192 has 80 divisors (see below), whose sum is σ = 36790502400. Its totient is φ = 7653381120.

The previous prime is 17121406187. The next prime is 17121406199. The reversal of 17121406192 is 29160412171.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17121406199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11897409 + ... + 11898847.

It is an arithmetic number, because the mean of its divisors is an integer number (459881280).

Almost surely, 2^17121406192 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 17121406192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18395251200).

17121406192 is an abundant number, since it is smaller than the sum of its proper divisors (19669096208).

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

17121406192 is a wasteful number, since it uses less digits than its factorization.

17121406192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534 (or 2528 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The spelling of 17121406192 in words is "seventeen billion, one hundred twenty-one million, four hundred six thousand, one hundred ninety-two".