171680950336 has 147 divisors (see below), whose sum is σ = 400108409967. Its totient is φ = 73090281600.

The previous prime is 171680950333. The next prime is 171680950339. The reversal of 171680950336 is 633059086171.

The square root of 171680950336 is 414344.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (171680950333) and next prime (171680950339).

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 171680950336.

It is not an unprimeable number, because it can be changed into a prime (171680950333) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 1136959861 + ... + 1136960011.

Almost surely, 2^171680950336 is an apocalyptic number.

171680950336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

171680950336 is the 414344-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 171680950336

171680950336 is an abundant number, since it is smaller than the sum of its proper divisors (228427459631).

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

171680950336 is an frugal number, since it uses more digits than its factorization.

171680950336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 49.

Multiplying 171680950336 by its sum of digits (49), we get a square (8412366566464 = 2900408²).

171680950336 divided by its sum of digits (49) gives a square (3503692864 = 59192²).

The spelling of 171680950336 in words is "one hundred seventy-one billion, six hundred eighty million, nine hundred fifty thousand, three hundred thirty-six".