165100006 has 16 divisors (see below), whose sum is σ = 262998000. Its totient is φ = 77511168.

The previous prime is 165099983. The next prime is 165100009. The reversal of 165100006 is 600001561.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165100009) by changing a digit.

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, 14931 + ... + 23518.

It is an arithmetic number, because the mean of its divisors is an integer number (16437375).

Almost surely, 2^165100006 is an apocalyptic number.

165100006 is the 8127-th centered pentagonal number.

165100006 is a deficient number, since it is larger than the sum of its proper divisors (97897994).

165100006 is a wasteful number, since it uses less digits than its factorization.

165100006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38583.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 165100006 is about 12849.1247172716. The cubic root of 165100006 is about 548.5914436845.

Adding to 165100006 its reverse (600001561), we get a palindrome (765101567).

The spelling of 165100006 in words is "one hundred sixty-five million, one hundred thousand, six".