164042832 has 20 divisors (see below), whose sum is σ = 423777440. Its totient is φ = 54680928.

The previous prime is 164042819. The next prime is 164042849. The reversal of 164042832 is 238240461.

It is a self number, because there is not a number n which added to its sum of digits gives 164042832.

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 3 ways as a sum of consecutive naturals, for example, 1708732 + ... + 1708827.

It is an arithmetic number, because the mean of its divisors is an integer number (21188872).

Almost surely, 2^164042832 is an apocalyptic number.

164042832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164042832 is an abundant number, since it is smaller than the sum of its proper divisors (259734608).

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

164042832 is a wasteful number, since it uses less digits than its factorization.

164042832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3417570 (or 3417564 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 164042832 is about 12807.9206743327. The cubic root of 164042832 is about 547.4180157051.

The spelling of 164042832 in words is "one hundred sixty-four million, forty-two thousand, eight hundred thirty-two".