146169664 has 28 divisors (see below), whose sum is σ = 294818308. Its totient is φ = 71884800.

The previous prime is 146169649. The next prime is 146169677. The reversal of 146169664 is 466961641.

It can be written as a sum of positive squares in 2 ways, for example, as 33640000 + 112529664 = 5800^2 + 10608^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 146169664.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14817 + ... + 22624.

Almost surely, 2^146169664 is an apocalyptic number.

It is an amenable number.

146169664 is an abundant number, since it is smaller than the sum of its proper divisors (148648644).

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

146169664 is an equidigital number, since it uses as much as digits as its factorization.

146169664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37514 (or 37504 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 146169664 is about 12090.0646813820. The cubic root of 146169664 is about 526.7676339742.

The spelling of 146169664 in words is "one hundred forty-six million, one hundred sixty-nine thousand, six hundred sixty-four".