170164639426 has 8 divisors (see below), whose sum is σ = 268681009680. Its totient is φ = 80604302868.

The previous prime is 170164639387. The next prime is 170164639451. The reversal of 170164639426 is 624936461071.

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

It is a self number, because there is not a number n which added to its sum of digits gives 170164639426.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2239008376 + ... + 2239008451.

It is an arithmetic number, because the mean of its divisors is an integer number (33585126210).

Almost surely, 2^170164639426 is an apocalyptic number.

170164639426 is a deficient number, since it is larger than the sum of its proper divisors (98516370254).

170164639426 is a wasteful number, since it uses less digits than its factorization.

170164639426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478016848.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 170164639426 in words is "one hundred seventy billion, one hundred sixty-four million, six hundred thirty-nine thousand, four hundred twenty-six".