165749006 has 8 divisors (see below), whose sum is σ = 248863224. Its totient is φ = 82794600.

The previous prime is 165748991. The next prime is 165749009. The reversal of 165749006 is 600947561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165749009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37325 + ... + 41528.

It is an arithmetic number, because the mean of its divisors is an integer number (31107903).

Almost surely, 2^165749006 is an apocalyptic number.

165749006 is a deficient number, since it is larger than the sum of its proper divisors (83114218).

165749006 is a wasteful number, since it uses less digits than its factorization.

165749006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79906.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 165749006 is about 12874.3545857647. The cubic root of 165749006 is about 549.3093325001.

The spelling of 165749006 in words is "one hundred sixty-five million, seven hundred forty-nine thousand, six".