165312006 has 36 divisors (see below), whose sum is σ = 344320236. Its totient is φ = 52909920.

The previous prime is 165311999. The next prime is 165312011. The reversal of 165312006 is 600213561.

165312006 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 913236 + ... + 913416.

It is an arithmetic number, because the mean of its divisors is an integer number (9564451).

Almost surely, 2^165312006 is an apocalyptic number.

165312006 is an abundant number, since it is smaller than the sum of its proper divisors (179008230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165312006 is an equidigital number, since it uses as much as digits as its factorization.

165312006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 165312006 is about 12857.3716598689. The cubic root of 165312006 is about 548.8261532294.

Multiplying 165312006 by its sum of digits (24), we get a square (3967488144 = 62988²).

Adding to 165312006 its reverse (600213561), we get a palindrome (765525567).

The spelling of 165312006 in words is "one hundred sixty-five million, three hundred twelve thousand, six".