170393966678016 has 117 divisors (see below), whose sum is σ = 492196387617831. Its totient is φ = 56797153468416.

The previous prime is 170393966678009. The next prime is 170393966678017. The reversal of 170393966678016 is 610876669393071.

The square root of 170393966678016 is 13053504.

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

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (170393966678017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2506238775 + ... + 2506306761.

Almost surely, 2^{170393966678016} is an apocalyptic number.

170393966678016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

170393966678016 is the 13053504-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 170393966678016

170393966678016 is an abundant number, since it is smaller than the sum of its proper divisors (321802420939815).

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

170393966678016 is an frugal number, since it uses more digits than its factorization.

170393966678016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136004 (or 67992 counting only the distinct ones).

The product of its (nonzero) digits is 370355328, while the sum is 72.

The spelling of 170393966678016 in words is "one hundred seventy trillion, three hundred ninety-three billion, nine hundred sixty-six million, six hundred seventy-eight thousand, sixteen".