164181012 has 24 divisors (see below), whose sum is σ = 389370912. Its totient is φ = 53829600.

The previous prime is 164180987. The next prime is 164181013. The reversal of 164181012 is 210181461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164181013) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 111414 + ... + 112877.

It is an arithmetic number, because the mean of its divisors is an integer number (16223788).

Almost surely, 2^164181012 is an apocalyptic number.

164181012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164181012 is an abundant number, since it is smaller than the sum of its proper divisors (225189900).

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

164181012 is a wasteful number, since it uses less digits than its factorization.

164181012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224359 (or 224357 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 164181012 is about 12813.3138570785. The cubic root of 164181012 is about 547.5716767776.

The spelling of 164181012 in words is "one hundred sixty-four million, one hundred eighty-one thousand, twelve".