165930706 has 4 divisors (see below), whose sum is σ = 248896062. Its totient is φ = 82965352.

The previous prime is 165930683. The next prime is 165930719. The reversal of 165930706 is 607039561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 607039561 = 3023 ⋅200807.

It can be written as a sum of positive squares in only one way, i.e., 156475081 + 9455625 = 12509^2 + 3075^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41482675 + ... + 41482678.

Almost surely, 2^165930706 is an apocalyptic number.

165930706 is a deficient number, since it is larger than the sum of its proper divisors (82965356).

165930706 is an equidigital number, since it uses as much as digits as its factorization.

165930706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82965355.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 165930706 is about 12881.4093173069. The cubic root of 165930706 is about 549.5099833893.

The spelling of 165930706 in words is "one hundred sixty-five million, nine hundred thirty thousand, seven hundred six".