164404130453252 has 12 divisors (see below), whose sum is σ = 288054281650380. Its totient is φ = 82102907124576.

The previous prime is 164404130453197. The next prime is 164404130453257. The reversal of 164404130453252 is 252354031404461.

It can be written as a sum of positive squares in 2 ways, for example, as 117251517819076 + 47152612634176 = 10828274^2 + 6866776^2 .

It is a super-3 number, since 3×164404130453252³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (164404130453257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24789521783 + ... + 24789528414.

It is an arithmetic number, because the mean of its divisors is an integer number (24004523470865).

Almost surely, 2^{164404130453252} is an apocalyptic number.

It is an amenable number.

164404130453252 is a deficient number, since it is larger than the sum of its proper divisors (123650151197128).

164404130453252 is a wasteful number, since it uses less digits than its factorization.

164404130453252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49579051030 (or 49579051028 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 164404130453252 in words is "one hundred sixty-four trillion, four hundred four billion, one hundred thirty million, four hundred fifty-three thousand, two hundred fifty-two".