17372081664 has 560 divisors, whose sum is σ = 61005663840. Its totient is φ = 4837294080.

The previous prime is 17372081663. The next prime is 17372081689. The reversal of 17372081664 is 46618027371.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17372081663) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 159376842 + ... + 159376950.

Almost surely, 2^17372081664 is an apocalyptic number.

17372081664 is a gapful number since it is divisible by the number (14) 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 17372081664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30502831920).

17372081664 is an abundant number, since it is smaller than the sum of its proper divisors (43633582176).

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

17372081664 is an frugal number, since it uses more digits than its factorization.

17372081664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 17372081664 in words is "seventeen billion, three hundred seventy-two million, eighty-one thousand, six hundred sixty-four".