169980379 has 8 divisors (see below), whose sum is σ = 171048960. Its totient is φ = 168915816.

The previous prime is 169980353. The next prime is 169980389. The reversal of 169980379 is 973089961.

169980379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 169980379 - 2¹⁷ = 169849307 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (169980329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132262 + ... + 133540.

It is an arithmetic number, because the mean of its divisors is an integer number (21381120).

Almost surely, 2^169980379 is an apocalyptic number.

169980379 is a deficient number, since it is larger than the sum of its proper divisors (1068581).

169980379 is a wasteful number, since it uses less digits than its factorization.

169980379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009.

The product of its (nonzero) digits is 734832, while the sum is 52.

The square root of 169980379 is about 13037.6523576908. The cubic root of 169980379 is about 553.9445123781.

The spelling of 169980379 in words is "one hundred sixty-nine million, nine hundred eighty thousand, three hundred seventy-nine".