164149950 has 24 divisors (see below), whose sum is σ = 407092248. Its totient is φ = 43773280.

The previous prime is 164149903. The next prime is 164149961. The reversal of 164149950 is 59941461.

164149950 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 164149899 and 164149908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 547017 + ... + 547316.

It is an arithmetic number, because the mean of its divisors is an integer number (16962177).

Almost surely, 2^164149950 is an apocalyptic number.

164149950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164149950 is an abundant number, since it is smaller than the sum of its proper divisors (242942298).

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

164149950 is a wasteful number, since it uses less digits than its factorization.

164149950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094348 (or 1094343 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 164149950 is about 12812.1017011262. The cubic root of 164149950 is about 547.5371422437.

The spelling of 164149950 in words is "one hundred sixty-four million, one hundred forty-nine thousand, nine hundred fifty".