172070021216662 has 8 divisors (see below), whose sum is σ = 259989010159896. Its totient is φ = 85407017830032.

The previous prime is 172070021216633. The next prime is 172070021216713. The reversal of 172070021216662 is 266612120070271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313996388808 + ... + 313996389355.

It is an arithmetic number, because the mean of its divisors is an integer number (32498626269987).

Almost surely, 2^{172070021216662} is an apocalyptic number.

172070021216662 is a deficient number, since it is larger than the sum of its proper divisors (87918988943234).

172070021216662 is a wasteful number, since it uses less digits than its factorization.

172070021216662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627992778302.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 172070021216662 in words is "one hundred seventy-two trillion, seventy billion, twenty-one million, two hundred sixteen thousand, six hundred sixty-two".