162775666 has 16 divisors (see below), whose sum is σ = 253546200. Its totient is φ = 78281728.

The previous prime is 162775661. The next prime is 162775673. The reversal of 162775666 is 666577261.

162775666 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 4 ways, for example, as 115455025 + 47320641 = 10745^2 + 6879^2 .

It is not an unprimeable number, because it can be changed into a prime (162775661) 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, 10386 + ... + 20818.

Almost surely, 2^162775666 is an apocalyptic number.

162775666 is a deficient number, since it is larger than the sum of its proper divisors (90770534).

162775666 is a wasteful number, since it uses less digits than its factorization.

162775666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10733.

The product of its digits is 635040, while the sum is 46.

The square root of 162775666 is about 12758.3567123670. The cubic root of 162775666 is about 546.0048414729.

The spelling of 162775666 in words is "one hundred sixty-two million, seven hundred seventy-five thousand, six hundred sixty-six".