164349486 has 80 divisors (see below), whose sum is σ = 432359136. Its totient is φ = 45676224.

The previous prime is 164349469. The next prime is 164349491. The reversal of 164349486 is 684943461.

164349486 is a `hidden beast` number, since 164 + 3 + 4 + 9 + 486 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 40000 + ... + 43916.

Almost surely, 2^164349486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164349486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216179568).

164349486 is an abundant number, since it is smaller than the sum of its proper divisors (268009650).

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

164349486 is a wasteful number, since it uses less digits than its factorization.

164349486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3975 (or 3966 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 164349486 is about 12819.8863489502. The cubic root of 164349486 is about 547.7589092574.

The spelling of 164349486 in words is "one hundred sixty-four million, three hundred forty-nine thousand, four hundred eighty-six".