164663334 has 128 divisors (see below), whose sum is σ = 421632000. Its totient is φ = 47567520.

The previous prime is 164663321. The next prime is 164663341. The reversal of 164663334 is 433366461.

164663334 is a `hidden beast` number, since 1 + 646 + 6 + 3 + 3 + 3 + 4 = 666.

164663334 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×164663334² = 54228027127991112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2084307 + ... + 2084385.

It is an arithmetic number, because the mean of its divisors is an integer number (3294000).

Almost surely, 2^164663334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164663334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210816000).

164663334 is an abundant number, since it is smaller than the sum of its proper divisors (256968666).

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

164663334 is a wasteful number, since it uses less digits than its factorization.

164663334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 124 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The square root of 164663334 is about 12832.1211808493. The cubic root of 164663334 is about 548.1073612620.

It can be divided in two parts, 1646 and 63334, that added together give a triangular number (64980 = T₃₆₀).

The spelling of 164663334 in words is "one hundred sixty-four million, six hundred sixty-three thousand, three hundred thirty-four".