164436664 has 16 divisors (see below), whose sum is σ = 352364400. Its totient is φ = 70472832.

The previous prime is 164436653. The next prime is 164436689. The reversal of 164436664 is 466634461.

164436664 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-3 number, since 3×164436664³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1468129 + ... + 1468240.

It is an arithmetic number, because the mean of its divisors is an integer number (22022775).

Almost surely, 2^164436664 is an apocalyptic number.

164436664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

164436664 is an abundant number, since it is smaller than the sum of its proper divisors (187927736).

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

164436664 is a wasteful number, since it uses less digits than its factorization.

164436664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936382 (or 2936378 counting only the distinct ones).

The product of its digits is 248832, while the sum is 40.

The square root of 164436664 is about 12823.2860063246. The cubic root of 164436664 is about 547.8557437259.

The spelling of 164436664 in words is "one hundred sixty-four million, four hundred thirty-six thousand, six hundred sixty-four".