164116557741 has 4 divisors (see below), whose sum is σ = 218822076992. Its totient is φ = 109411038492.

The previous prime is 164116557733. The next prime is 164116557769. The reversal of 164116557741 is 147755611461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 164116557741 - 2³ = 164116557733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164116757741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27352759621 + ... + 27352759626.

It is an arithmetic number, because the mean of its divisors is an integer number (54705519248).

Almost surely, 2^164116557741 is an apocalyptic number.

It is an amenable number.

164116557741 is a deficient number, since it is larger than the sum of its proper divisors (54705519251).

164116557741 is an equidigital number, since it uses as much as digits as its factorization.

164116557741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54705519250.

The product of its digits is 705600, while the sum is 48.

The spelling of 164116557741 in words is "one hundred sixty-four billion, one hundred sixteen million, five hundred fifty-seven thousand, seven hundred forty-one".