165935950 has 12 divisors (see below), whose sum is σ = 308640960. Its totient is φ = 66374360.

The previous prime is 165935947. The next prime is 165935953. The reversal of 165935950 is 59539561.

It is an interprime number because it is at equal distance from previous prime (165935947) and next prime (165935953).

It is a junction number, because it is equal to n+sod(n) for n = 165935897 and 165935906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165935953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1659310 + ... + 1659409.

It is an arithmetic number, because the mean of its divisors is an integer number (25720080).

Almost surely, 2^165935950 is an apocalyptic number.

165935950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165935950 is a deficient number, since it is larger than the sum of its proper divisors (142705010).

165935950 is a wasteful number, since it uses less digits than its factorization.

165935950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318731 (or 3318726 counting only the distinct ones).

The product of its (nonzero) digits is 182250, while the sum is 43.

The square root of 165935950 is about 12881.6128648551. The cubic root of 165935950 is about 549.5157721511.

The spelling of 165935950 in words is "one hundred sixty-five million, nine hundred thirty-five thousand, nine hundred fifty".