165929950 has 12 divisors (see below), whose sum is σ = 308629800. Its totient is φ = 66371960.

The previous prime is 165929927. The next prime is 165930001. The reversal of 165929950 is 59929561.

It is a self number, because there is not a number n which added to its sum of digits gives 165929950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1659250 + ... + 1659349.

It is an arithmetic number, because the mean of its divisors is an integer number (25719150).

Almost surely, 2^165929950 is an apocalyptic number.

165929950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165929950 is a deficient number, since it is larger than the sum of its proper divisors (142699850).

165929950 is a wasteful number, since it uses less digits than its factorization.

165929950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318611 (or 3318606 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 46.

The square root of 165929950 is about 12881.3799726582. The cubic root of 165929950 is about 549.5091488438.

The spelling of 165929950 in words is "one hundred sixty-five million, nine hundred twenty-nine thousand, nine hundred fifty".