164669814 has 16 divisors (see below), whose sum is σ = 365933040. Its totient is φ = 54889920.

The previous prime is 164669779. The next prime is 164669831. The reversal of 164669814 is 418966461.

164669814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×164669814² = 54232295285589192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164669814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1524667 + ... + 1524774.

It is an arithmetic number, because the mean of its divisors is an integer number (22870815).

Almost surely, 2^164669814 is an apocalyptic number.

164669814 is an abundant number, since it is smaller than the sum of its proper divisors (201263226).

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

164669814 is a wasteful number, since it uses less digits than its factorization.

164669814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049452 (or 3049446 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 164669814 is about 12832.3736697464. The cubic root of 164669814 is about 548.1145510616.

The spelling of 164669814 in words is "one hundred sixty-four million, six hundred sixty-nine thousand, eight hundred fourteen".