165523006 has 16 divisors (see below), whose sum is σ = 271865088. Its totient is φ = 74957400.

The previous prime is 165522997. The next prime is 165523051. The reversal of 165523006 is 600325561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7920 + ... + 19843.

It is an arithmetic number, because the mean of its divisors is an integer number (16991568).

Almost surely, 2^165523006 is an apocalyptic number.

165523006 is a deficient number, since it is larger than the sum of its proper divisors (106342082).

165523006 is a wasteful number, since it uses less digits than its factorization.

165523006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28047.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 165523006 is about 12865.5744527790. The cubic root of 165523006 is about 549.0595564911.

Adding to 165523006 its reverse (600325561), we get a palindrome (765848567).

The spelling of 165523006 in words is "one hundred sixty-five million, five hundred twenty-three thousand, six".