171896441480 has 16 divisors (see below), whose sum is σ = 386766993420. Its totient is φ = 68758576576.

The previous prime is 171896441473. The next prime is 171896441491. The reversal of 171896441480 is 84144698171.

It can be written as a sum of positive squares in 2 ways, for example, as 171894818404 + 1623076 = 414602^2 + 1274^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2148705479 + ... + 2148705558.

Almost surely, 2^171896441480 is an apocalyptic number.

171896441480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

171896441480 is an abundant number, since it is smaller than the sum of its proper divisors (214870551940).

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

171896441480 is a wasteful number, since it uses less digits than its factorization.

171896441480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4297411048 (or 4297411044 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 53.

The spelling of 171896441480 in words is "one hundred seventy-one billion, eight hundred ninety-six million, four hundred forty-one thousand, four hundred eighty".