164056212 has 24 divisors (see below), whose sum is σ = 425331200. Its totient is φ = 54685368.

The previous prime is 164056201. The next prime is 164056213. The reversal of 164056212 is 212650461.

164056212 is a `hidden beast` number, since 1 + 640 + 5 + 6 + 2 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164056213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759412 + ... + 759627.

Almost surely, 2^164056212 is an apocalyptic number.

164056212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164056212 is an abundant number, since it is smaller than the sum of its proper divisors (261274988).

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

164056212 is a wasteful number, since it uses less digits than its factorization.

164056212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519052 (or 1519044 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 164056212 is about 12808.4429967112. The cubic root of 164056212 is about 547.4328985131.

The spelling of 164056212 in words is "one hundred sixty-four million, fifty-six thousand, two hundred twelve".