164950 has 12 divisors (see below), whose sum is σ = 306900. Its totient is φ = 65960.

The previous prime is 164911. The next prime is 164953. The reversal of 164950 is 59461.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1600 + ... + 1699.

It is an arithmetic number, because the mean of its divisors is an integer number (25575).

2¹⁶⁴⁹⁵⁰ is an apocalyptic number.

164950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164950 is a deficient number, since it is larger than the sum of its proper divisors (141950).

164950 is a wasteful number, since it uses less digits than its factorization.

164950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311 (or 3306 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 164950 is about 406.1403698230. The cubic root of 164950 is about 54.8425247560.

The spelling of 164950 in words is "one hundred sixty-four thousand, nine hundred fifty".