164664342 has 12 divisors (see below), whose sum is σ = 356772780. Its totient is φ = 54888108.

The previous prime is 164664307. The next prime is 164664371. The reversal of 164664342 is 243466461.

164664342 is a `hidden beast` number, since 1 + 6 + 4 + 6 + 643 + 4 + 2 = 666.

It is a super-2 number, since 2×164664342² = 54228691052585928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164664297 and 164664306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4573992 + ... + 4574027.

It is an arithmetic number, because the mean of its divisors is an integer number (29731065).

Almost surely, 2^164664342 is an apocalyptic number.

164664342 is an abundant number, since it is smaller than the sum of its proper divisors (192108438).

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

164664342 is a wasteful number, since it uses less digits than its factorization.

164664342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9148027 (or 9148024 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 164664342 is about 12832.1604572262. The cubic root of 164664342 is about 548.1084796877.

The spelling of 164664342 in words is "one hundred sixty-four million, six hundred sixty-four thousand, three hundred forty-two".