165582742 has 16 divisors (see below), whose sum is σ = 269851680. Its totient is φ = 75745152.

The previous prime is 165582709. The next prime is 165582817. The reversal of 165582742 is 247285561.

It is a junction number, because it is equal to n+sod(n) for n = 165582695 and 165582704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25242 + ... + 31117.

It is an arithmetic number, because the mean of its divisors is an integer number (16865730).

Almost surely, 2^165582742 is an apocalyptic number.

165582742 is a deficient number, since it is larger than the sum of its proper divisors (104268938).

165582742 is a wasteful number, since it uses less digits than its factorization.

165582742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56487.

The product of its digits is 134400, while the sum is 40.

The square root of 165582742 is about 12867.8957875793. The cubic root of 165582742 is about 549.1255990263.

The spelling of 165582742 in words is "one hundred sixty-five million, five hundred eighty-two thousand, seven hundred forty-two".