164341134443631 has 16 divisors (see below), whose sum is σ = 219179232821600. Its totient is φ = 109531899509760.

The previous prime is 164341134443623. The next prime is 164341134443671. The reversal of 164341134443631 is 136344431143461.

It is a happy number.

It is not a de Polignac number, because 164341134443631 - 2³ = 164341134443623 is a prime.

It is a super-2 number, since 2×164341134443631² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164341134443671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201329091 + ... + 202143723.

It is an arithmetic number, because the mean of its divisors is an integer number (13698702051350).

Almost surely, 2^{164341134443631} is an apocalyptic number.

164341134443631 is a deficient number, since it is larger than the sum of its proper divisors (54838098377969).

164341134443631 is a wasteful number, since it uses less digits than its factorization.

164341134443631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832266.

The product of its digits is 2985984, while the sum is 48.

The spelling of 164341134443631 in words is "one hundred sixty-four trillion, three hundred forty-one billion, one hundred thirty-four million, four hundred forty-three thousand, six hundred thirty-one".