666162050 has 24 divisors (see below), whose sum is σ = 1251844356. Its totient is φ = 263715840.

The previous prime is 666162037. The next prime is 666162061. The reversal of 666162050 is 50261666.

666162050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 134536801 + 531625249 = 11599^2 + 23057^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 666161998 and 666162016.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63827 + ... + 73526.

Almost surely, 2^666162050 is an apocalyptic number.

666162050 is a deficient number, since it is larger than the sum of its proper divisors (585682306).

666162050 is a wasteful number, since it uses less digits than its factorization.

666162050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137462 (or 137457 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 666162050 is about 25810.1152651436. The cubic root of 666162050 is about 873.3599974701.

The spelling of 666162050 in words is "six hundred sixty-six million, one hundred sixty-two thousand, fifty".