165161822 has 8 divisors (see below), whose sum is σ = 283134576. Its totient is φ = 70783632.

The previous prime is 165161779. The next prime is 165161861. The reversal of 165161822 is 228161561.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5898623 + ... + 5898650.

It is an arithmetic number, because the mean of its divisors is an integer number (35391822).

Almost surely, 2^165161822 is an apocalyptic number.

165161822 is a deficient number, since it is larger than the sum of its proper divisors (117972754).

165161822 is a wasteful number, since it uses less digits than its factorization.

165161822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11797282.

The product of its digits is 5760, while the sum is 32.

The square root of 165161822 is about 12851.5299478311. The cubic root of 165161822 is about 548.6599021863.

The spelling of 165161822 in words is "one hundred sixty-five million, one hundred sixty-one thousand, eight hundred twenty-two".