666711162 has 40 divisors (see below), whose sum is σ = 1608849396. Its totient is φ = 205141248.

The previous prime is 666711119. The next prime is 666711217. The reversal of 666711162 is 261117666.

It can be written as a sum of positive squares in 2 ways, for example, as 662084361 + 4626801 = 25731^2 + 2151^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 156183 + ... + 160394.

Almost surely, 2^666711162 is an apocalyptic number.

666711162 is an abundant number, since it is smaller than the sum of its proper divisors (942138234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

666711162 is a wasteful number, since it uses less digits than its factorization.

666711162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316604 (or 316595 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 666711162 is about 25820.7506087643. The cubic root of 666711162 is about 873.5998994309.

The spelling of 666711162 in words is "six hundred sixty-six million, seven hundred eleven thousand, one hundred sixty-two".