164471734641 has 8 divisors (see below), whose sum is σ = 219300479104. Its totient is φ = 109645406640.

The previous prime is 164471734633. The next prime is 164471734667. The reversal of 164471734641 is 146437174461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164471734641 - 2³ = 164471734633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164471734601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438841 + ... + 722166.

It is an arithmetic number, because the mean of its divisors is an integer number (27412559888).

Almost surely, 2^164471734641 is an apocalyptic number.

It is an amenable number.

164471734641 is a deficient number, since it is larger than the sum of its proper divisors (54828744463).

164471734641 is a wasteful number, since it uses less digits than its factorization.

164471734641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208231.

The product of its digits is 1354752, while the sum is 48.

The spelling of 164471734641 in words is "one hundred sixty-four billion, four hundred seventy-one million, seven hundred thirty-four thousand, six hundred forty-one".