169680379 has 8 divisors (see below), whose sum is σ = 185340672. Its totient is φ = 154059240.

The previous prime is 169680377. The next prime is 169680403. The reversal of 169680379 is 973086961.

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

It is a cyclic number.

It is not a de Polignac number, because 169680379 - 2¹ = 169680377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (169680373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319 + ... + 18424.

It is an arithmetic number, because the mean of its divisors is an integer number (23167584).

Almost surely, 2^169680379 is an apocalyptic number.

169680379 is a deficient number, since it is larger than the sum of its proper divisors (15660293).

169680379 is a wasteful number, since it uses less digits than its factorization.

169680379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19577.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 169680379 is about 13026.1421380238. The cubic root of 169680379 is about 553.6184331430.

The spelling of 169680379 in words is "one hundred sixty-nine million, six hundred eighty thousand, three hundred seventy-nine".