166979343 has 8 divisors (see below), whose sum is σ = 225962368. Its totient is φ = 109657944.

The previous prime is 166979341. The next prime is 166979369. The reversal of 166979343 is 343979661.

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

It is not a de Polignac number, because 166979343 - 2¹ = 166979341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166979292 and 166979301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166979341) 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, 415171 + ... + 415572.

It is an arithmetic number, because the mean of its divisors is an integer number (28245296).

Almost surely, 2^166979343 is an apocalyptic number.

166979343 is a deficient number, since it is larger than the sum of its proper divisors (58983025).

166979343 is an equidigital number, since it uses as much as digits as its factorization.

166979343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830813.

The product of its digits is 734832, while the sum is 48.

The square root of 166979343 is about 12922.0487152773. The cubic root of 166979343 is about 550.6651379963.

The spelling of 166979343 in words is "one hundred sixty-six million, nine hundred seventy-nine thousand, three hundred forty-three".