164435746 has 16 divisors (see below), whose sum is σ = 248596920. Its totient is φ = 81573120.

The previous prime is 164435743. The next prime is 164435759. The reversal of 164435746 is 647534461.

It can be written as a sum of positive squares in 4 ways, for example, as 157226521 + 7209225 = 12539^2 + 2685^2 .

It is a super-3 number, since 3×164435746³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 164435699 and 164435708.

It is not an unprimeable number, because it can be changed into a prime (164435743) 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, 187060 + ... + 187936.

Almost surely, 2^164435746 is an apocalyptic number.

164435746 is a deficient number, since it is larger than the sum of its proper divisors (84161174).

164435746 is a wasteful number, since it uses less digits than its factorization.

164435746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509.

The product of its digits is 241920, while the sum is 40.

The square root of 164435746 is about 12823.2502120172. The cubic root of 164435746 is about 547.8547242199.

The spelling of 164435746 in words is "one hundred sixty-four million, four hundred thirty-five thousand, seven hundred forty-six".