170272349478746 has 16 divisors (see below), whose sum is σ = 257797190435400. Its totient is φ = 84340228235328.

The previous prime is 170272349478709. The next prime is 170272349478787. The reversal of 170272349478746 is 647874943272071.

It can be written as a sum of positive squares in 4 ways, for example, as 93002782002025 + 77269567476721 = 9643795^2 + 8790311^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 170272349478746.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67653365 + ... + 70125048.

Almost surely, 2^{170272349478746} is an apocalyptic number.

170272349478746 is a deficient number, since it is larger than the sum of its proper divisors (87524840956654).

170272349478746 is a wasteful number, since it uses less digits than its factorization.

170272349478746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137784193.

The product of its (nonzero) digits is 796594176, while the sum is 71.

The spelling of 170272349478746 in words is "one hundred seventy trillion, two hundred seventy-two billion, three hundred forty-nine million, four hundred seventy-eight thousand, seven hundred forty-six".