170606855393 has 4 divisors (see below), whose sum is σ = 183730459668. Its totient is φ = 157483251120.

The previous prime is 170606855381. The next prime is 170606855407. The reversal of 170606855393 is 393558606071.

170606855393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40211478784 + 130395376609 = 200528^2 + 361103^2 .

It is not a de Polignac number, because 170606855393 - 2⁶ = 170606855329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (170606854393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6561802118 + ... + 6561802143.

It is an arithmetic number, because the mean of its divisors is an integer number (45932614917).

Almost surely, 2^170606855393 is an apocalyptic number.

170606855393 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

170606855393 is a deficient number, since it is larger than the sum of its proper divisors (13123604275).

170606855393 is a wasteful number, since it uses less digits than its factorization.

170606855393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13123604274.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 170606855393 in words is "one hundred seventy billion, six hundred six million, eight hundred fifty-five thousand, three hundred ninety-three".