162980705 has 8 divisors (see below), whose sum is σ = 196708392. Its totient is φ = 129630208.

The previous prime is 162980693. The next prime is 162980723. The reversal of 162980705 is 507089261.

It can be written as a sum of positive squares in 4 ways, for example, as 19963024 + 143017681 = 4468^2 + 11959^2 .

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 162980705 - 2⁶ = 162980641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93344 + ... + 95073.

It is an arithmetic number, because the mean of its divisors is an integer number (24588549).

Almost surely, 2^162980705 is an apocalyptic number.

It is an amenable number.

162980705 is a deficient number, since it is larger than the sum of its proper divisors (33727687).

162980705 is a wasteful number, since it uses less digits than its factorization.

162980705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188595.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 162980705 is about 12766.3896619209. The cubic root of 162980705 is about 546.2340020834.

The spelling of 162980705 in words is "one hundred sixty-two million, nine hundred eighty thousand, seven hundred five".