164077712 has 20 divisors (see below), whose sum is σ = 318690540. Its totient is φ = 81835008.

The previous prime is 164077709. The next prime is 164077733. The reversal of 164077712 is 217770461.

It can be written as a sum of positive squares in 2 ways, for example, as 112869376 + 51208336 = 10624^2 + 7156^2 .

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, 5993 + ... + 19080.

It is an arithmetic number, because the mean of its divisors is an integer number (15934527).

Almost surely, 2^164077712 is an apocalyptic number.

It is an amenable number.

164077712 is a deficient number, since it is larger than the sum of its proper divisors (154612828).

164077712 is a wasteful number, since it uses less digits than its factorization.

164077712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25490 (or 25484 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 35.

The square root of 164077712 is about 12809.2822593618. The cubic root of 164077712 is about 547.4568116444.

The spelling of 164077712 in words is "one hundred sixty-four million, seventy-seven thousand, seven hundred twelve".