17668392072 has 64 divisors (see below), whose sum is σ = 45346392000. Its totient is φ = 5733365760.

The previous prime is 17668392047. The next prime is 17668392083. The reversal of 17668392072 is 27029386671.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440304 + ... + 478752.

It is an arithmetic number, because the mean of its divisors is an integer number (708537375).

Almost surely, 2^17668392072 is an apocalyptic number.

17668392072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17668392072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22673196000).

17668392072 is an abundant number, since it is smaller than the sum of its proper divisors (27677999928).

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

17668392072 is a wasteful number, since it uses less digits than its factorization.

17668392072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38966 (or 38962 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 17668392072 in words is "seventeen billion, six hundred sixty-eight million, three hundred ninety-two thousand, seventy-two".