171996603492480 has 512 divisors, whose sum is σ = 595731474455040. Its totient is φ = 41957804998656.

The previous prime is 171996603492457. The next prime is 171996603492499. The reversal of 171996603492480 is 84294306699171.

It is a super-2 number, since 2×171996603492480² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1266876762 + ... + 1267012518.

It is an arithmetic number, because the mean of its divisors is an integer number (1163538036045).

Almost surely, 2^{171996603492480} is an apocalyptic number.

171996603492480 is a gapful number since it is divisible by the number (10) 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 171996603492480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297865737227520).

171996603492480 is an abundant number, since it is smaller than the sum of its proper divisors (423734870962560).

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

171996603492480 is a wasteful number, since it uses less digits than its factorization.

171996603492480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136248 (or 136236 counting only the distinct ones).

The product of its (nonzero) digits is 141087744, while the sum is 69.

The spelling of 171996603492480 in words is "one hundred seventy-one trillion, nine hundred ninety-six billion, six hundred three million, four hundred ninety-two thousand, four hundred eighty".